{"id":3148,"date":"2026-08-08T21:36:24","date_gmt":"2026-08-08T16:06:24","guid":{"rendered":"https:\/\/whizseed.com\/blogs\/?p=3148"},"modified":"2026-08-08T21:36:25","modified_gmt":"2026-08-08T16:06:25","slug":"gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide","status":"publish","type":"post","link":"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/","title":{"rendered":"GST Return Filing: Types, Due Dates, GSTR-1 &#038; GSTR-3B Guide"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">GST return filing means reporting your sales, purchases, tax collected, and Input Tax Credit (ITC) to the government on the portal <a href=\"http:\/\/gst.gov.in\">gst.gov.in<\/a> . For most businesses, only three returns matter: GSTR-1 (your sales details, due by the 11th of the next month), GSTR-3B (summary + tax payment, due by the 20th), and GSTR-9 (annual return, due by 31 December of the next year).&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Small taxpayers (turnover up to \u20b95 crore) can use the QRMP scheme to file quarterly while paying tax monthly. GSTR-3B is now &#8220;hard-locked&#8221; ; your sales figures are auto-filled from GSTR-1 and cannot be edited in GSTR-3B; any correction must be made in GSTR-1 or GSTR-1A first. Even nil (no-business) months need a return. Late filing costs \u20b950\/day (\u20b920 for nil) plus 18% interest.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#What_is_GST_Return_Filing\" >What is GST Return Filing?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#GST_Return_Filing_Overview_2026\" >GST Return Filing Overview 2026<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#Who_Has_to_File_GST_Return\" >Who Has to File GST Return?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#GST_Return_Which_GST_Return_Do_You_Need_to_File\" >GST Return: Which GST Return Do You Need to File?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#GSTR-1_%E2%80%94_Your_Sales_Return\" >GSTR-1 \u2014 Your Sales Return<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#GSTR-3B_%E2%80%94_Your_Summary_Tax_Payment_Return\" >GSTR-3B \u2014 Your Summary + Tax Payment Return<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#GSTR-9_%E2%80%94_Your_Annual_Return\" >GSTR-9 \u2014 Your Annual Return<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#GST_Return_Due_Dates_2026\" >GST Return Due Dates 2026<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#The_QRMP_Scheme_For_Small_Businesses\" >The QRMP Scheme For Small Businesses<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#GSTR-3B_Return_Filing_Hard-Lock_Explained\" >GSTR-3B Return Filing Hard-Lock Explained&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#How_to_File_GST_Return_Online_Step-by-Step\" >How to File GST Return Online (Step-by-Step)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#What_is_a_Nil_Return_and_How_to_File_It\" >What is a Nil Return, and How to File It?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#Late_Fees_and_Interest_for_Late_GST_Return_Filing\" >Late Fees and Interest for Late GST Return Filing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#The_3-Year_Rule_for_GST_Returns\" >The 3-Year Rule for GST Returns<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#What_Happens_if_You_Miss_GST_Return\" >What Happens if You Miss GST Return?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#Common_GST_Return_Filing_Mistakes_to_Avoid\" >Common GST Return Filing Mistakes to Avoid<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#Conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/whizseed.com\/blogs\/gst-return-filing-types-due-dates-gstr-1-gstr-3b-guide\/#Frequently_Asked_Questions_FAQs\" >Frequently Asked Questions (FAQs)<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_GST_Return_Filing\"><\/span><strong>What is GST Return Filing?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A GST return is a form you file that tells the government about your business&#8217;s tax details for a period. In it, you report:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Your sales (outward supplies) and the GST you collected<\/li>\n\n\n\n<li>Your purchases and the Input Tax Credit (ITC) you can claim<\/li>\n\n\n\n<li>The net tax you must pay (GST collected minus ITC)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Every GST-registered business must file returns regularly usually every month or quarter and an annual return once a year. Even if you had no business in a month, you must still file a nil return.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Why it matters:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It is a legal requirement that non-filing brings penalties, interest, and suspension.<\/li>\n\n\n\n<li>It lets your buyers claim ITC on your invoices (so they want you to file on time).<\/li>\n\n\n\n<li>It keeps your GSTIN active and your business compliant.<\/li>\n\n\n\n<li>One missed return blocks the next one the system files in order.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"GST_Return_Filing_Overview_2026\"><\/span><strong>GST Return Filing Overview 2026<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-background has-fixed-layout\" style=\"background:linear-gradient(135deg,rgb(255,245,203) 0%,rgb(182,227,212) 100%,rgb(51,167,181) 100%)\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Detail<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Information<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Portal<\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"http:\/\/gst.gov.in\">gst.gov.in<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Main Returns<\/td><td class=\"has-text-align-center\" data-align=\"center\">GSTR-1, GSTR-3B, GSTR-9<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GSTR-1 (sales)<\/td><td class=\"has-text-align-center\" data-align=\"center\">By 11th of next month (monthly)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GSTR-3B (summary + tax)<\/td><td class=\"has-text-align-center\" data-align=\"center\">By 20th of next month (monthly)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">QRMP (small taxpayers)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Quarterly returns, monthly tax<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GSTR-9 (annual)<\/td><td class=\"has-text-align-center\" data-align=\"center\">By 31 December of next FY<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ITC source<\/td><td class=\"has-text-align-center\" data-align=\"center\">Only from auto-generated GSTR-2B<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">2026 Key Change<\/td><td class=\"has-text-align-center\" data-align=\"center\">GSTR-3B hard-locked (auto-filled from GSTR-1)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Late Fee<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u20b950\/day (\u20b920 nil), capped by turnover<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Interest<\/td><td class=\"has-text-align-center\" data-align=\"center\">18% per year on unpaid tax<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Nil Return<\/td><td class=\"has-text-align-center\" data-align=\"center\">Compulsory; can be filed by SMS<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Who_Has_to_File_GST_Return\"><\/span><strong>Who Has to File GST Return?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Every GST-registered person must file returns but which returns and how often depends on your type:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Regular taxpayers (turnover above \u20b95 crore):<\/strong> File monthly \u2014 GSTR-1 and GSTR-3B every month.<\/li>\n\n\n\n<li><strong>Small taxpayers (turnover up to \u20b95 crore):<\/strong> Can choose the QRMP scheme \u2014 file quarterly but pay tax monthly.<\/li>\n\n\n\n<li><strong>Composition dealers:<\/strong> File a quarterly payment statement (CMP-08) and one annual return (GSTR-4).<\/li>\n\n\n\n<li><strong>E-commerce operators, non-residents, input service distributors, TDS\/TCS deductors:<\/strong> File their <strong>own special returns<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Even nil-turnover months need a return. If you had no sales, you must still file a nil GSTR-1 and GSTR-3B which can even be done by SMS. If you are a small business, the QRMP scheme reduces your filing work from monthly to quarterly but you still pay tax every month with a simple challan.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"GST_Return_Which_GST_Return_Do_You_Need_to_File\"><\/span><strong>GST Return: Which GST Return Do You Need to File?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">There are about <strong>22 return forms<\/strong> in GST law, but for <strong>most businesses, only three matter<\/strong>: <strong>GSTR-1, GSTR-3B, and GSTR-9<\/strong>. Let us understand each.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"GSTR-1_%E2%80%94_Your_Sales_Return\"><\/span><strong>GSTR-1 \u2014 Your Sales Return<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It lists all your sales invoices (outward supplies) in detail.<\/li>\n\n\n\n<li>It is the base return \u2014 the data here flows into your GSTR-3B and your buyers&#8217; ITC.<\/li>\n\n\n\n<li>Due date: by the 11th of the next month (monthly), or the 13th after the quarter (QRMP).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"GSTR-3B_%E2%80%94_Your_Summary_Tax_Payment_Return\"><\/span><strong>GSTR-3B \u2014 Your Summary + Tax Payment Return<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It is a summary of your sales, ITC, and net tax payable.<\/li>\n\n\n\n<li>This is the return where you actually pay the tax.<\/li>\n\n\n\n<li>Due date: by the 20th of the next month (monthly), or 22nd\/24th after the quarter (QRMP).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"GSTR-9_%E2%80%94_Your_Annual_Return\"><\/span><strong>GSTR-9 \u2014 Your Annual Return<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A yearly summary of all your monthly\/quarterly returns.<\/li>\n\n\n\n<li>Due date: by 31 December of the next financial year.<\/li>\n\n\n\n<li>Businesses with turnover above \u20b95 crore also file GSTR-9C (a reconciliation statement).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Master these <strong>three returns first<\/strong> they cover almost everything a normal business needs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"GST_Return_Due_Dates_2026\"><\/span><strong>GST Return Due Dates 2026<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here are the key due dates in simple form:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-background has-fixed-layout\" style=\"background-color:#b5e0fd\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Return<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Who \/ Frequency<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Due Date<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GSTR-1<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monthly filers<\/td><td class=\"has-text-align-center\" data-align=\"center\">11th of next month<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GSTR-1 (IFF optional)<\/td><td class=\"has-text-align-center\" data-align=\"center\">QRMP (first 2 months)<\/td><td class=\"has-text-align-center\" data-align=\"center\">13th of next month<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GSTR-1<\/td><td class=\"has-text-align-center\" data-align=\"center\">QRMP (quarterly)<\/td><td class=\"has-text-align-center\" data-align=\"center\">13th after quarter<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GSTR-3B<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monthly filers<\/td><td class=\"has-text-align-center\" data-align=\"center\">20th of next month<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GSTR-3B<\/td><td class=\"has-text-align-center\" data-align=\"center\">QRMP<\/td><td class=\"has-text-align-center\" data-align=\"center\">22nd or 24th after quarter<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">CMP-08<\/td><td class=\"has-text-align-center\" data-align=\"center\">Composition<\/td><td class=\"has-text-align-center\" data-align=\"center\">18th after quarter<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GSTR-9<\/td><td class=\"has-text-align-center\" data-align=\"center\">Annual<\/td><td class=\"has-text-align-center\" data-align=\"center\">31 December of next FY<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Note:<\/strong> The QRMP GSTR-3B split (22nd vs 24th) depends on your state; it is fixed by your state, not your choice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A<\/strong>lways treat the <strong>due date shown on the <\/strong><a href=\"https:\/\/whizseed.com\/blogs\/gst-login-portal-how-to-login-at-gst-gov-in-dashboard-fix-login-problems\/\"><strong>GST login portal<\/strong><\/a> as final, and set <strong>separate reminders<\/strong> for GSTR-1 and GSTR-3B.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_QRMP_Scheme_For_Small_Businesses\"><\/span><strong>The QRMP Scheme For Small Businesses<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The QRMP (Quarterly Return, Monthly Payment) scheme is a big relief for small taxpayers with turnover up to \u20b95 crore. Here is how it works:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You file GSTR-1 and GSTR-3B quarterly, not every month.<\/li>\n\n\n\n<li>But you pay tax every month using a simple challan (PMT-06) for the first two months of the quarter.<\/li>\n\n\n\n<li>You can use the Invoice Furnishing Facility (IFF) to upload key sales invoices in the first two months, so your buyers can claim ITC without waiting for the quarter-end.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Why choose QRMP?<\/strong> QRMP means less GST filing work. You file returns quarterly instead of every month, but you still pay GST every month. It is a good option for small businesses that want less paperwork.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"GSTR-3B_Return_Filing_Hard-Lock_Explained\"><\/span><strong>GSTR-3B Return Filing Hard-Lock Explained&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">From the July 2025 tax period onwards, the sales figures in GSTR-3B are auto-filled from your GSTR-1 (and GSTR-1A\/IFF) and you CANNOT edit them in GSTR-3B anymore.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>In simple words:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Earlier, you could manually change the sales\/tax figures in GSTR-3B.<\/li>\n\n\n\n<li>Now you cannot. GSTR-3B just takes the numbers from your GSTR-1.<\/li>\n\n\n\n<li>From November 2025, even Table 3.2 (inter-state supplies to unregistered persons, etc.) became non-editable.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What this means for you<\/strong>: Your GSTR-1 must be 100% correct, because whatever you file there flows straight into GSTR-3B and cannot be fixed later in GSTR-3B.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you made an error in GSTR-1, fix it using GSTR-1A (an amendment return for the same period) before filing GSTR-3B. GSTR-1A updates the figures instantly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Get your GSTR-1 right the first time, and use GSTR-1A to fix errors before GSTR-3B.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ITC Rule: You Can Only Claim From GSTR-2B<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You can claim Input Tax Credit (ITC) only for invoices that appear in your auto-generated GSTR-2B.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GSTR-2B is a read-only statement showing the ITC available to you, based on what your suppliers filed in their GSTR-1.<\/li>\n\n\n\n<li>If a supplier did not file or filed wrongly, that invoice won&#8217;t appear in your GSTR-2B, and you cannot claim its ITC.<\/li>\n\n\n\n<li>So you must reconcile your purchases with GSTR-2B every month.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The IMS (Invoice Management System): The new IMS lets you accept, reject, or keep pending each supplier invoice, which decides what goes into your GSTR-2B and ITC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Check your GSTR-2B and IMS every month, and follow up with suppliers who have not filed otherwise you lose ITC and pay more tax.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_File_GST_Return_Online_Step-by-Step\"><\/span><strong>How to File GST Return Online (Step-by-Step)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here is the general process for filing your monthly returns on <a href=\"http:\/\/gst.gov.in\"><strong>gst.gov.in<\/strong><\/a><strong> <\/strong>:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Filing GSTR-1 (sales):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Step 1:<\/strong> Log in to <a href=\"http:\/\/gst.gov.in\">gst.gov.in<\/a>\u00a0 and go to Returns Dashboard.<\/li>\n\n\n\n<li><strong>Step 2<\/strong>: Select the financial year and month\/quarter.<\/li>\n\n\n\n<li><strong>Step 3:<\/strong> Open GSTR-1 and add your sales invoices (or upload them).<\/li>\n\n\n\n<li><strong>Step 4:<\/strong> Check the details, then submit and file using <a href=\"https:\/\/whizseed.com\/service\/digital-signature-certificate\"><strong>DSC<\/strong><\/a><strong> or EVC (OTP)<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Filing GSTR-3B (summary + tax):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Step 5:<\/strong> Open GSTR-3B \u2014 your sales figures are auto-filled from GSTR-1 (and are now non-editable).<\/li>\n\n\n\n<li><strong>Step 6:<\/strong> Check your <strong>ITC<\/strong> (from GSTR-2B) and the net tax payable.<\/li>\n\n\n\n<li><strong>Step 7:<\/strong> Pay the tax using your cash\/credit ledger (create a challan if needed).<\/li>\n\n\n\n<li><strong>Step 8:<\/strong> File the return using DSC or EVC.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Always <strong>file GSTR-1 first<\/strong>, then <strong>GSTR-3B<\/strong> the order matters, because GSTR-3B depends on GSTR-1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_Nil_Return_and_How_to_File_It\"><\/span><strong>What is a Nil Return, and How to File It?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A nil return is filed when you had no sales, no purchases, and no tax in a period. But it is still compulsory and you cannot skip it.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You must file a nil GSTR-1 and nil GSTR-3B even for a no-business month.<\/li>\n\n\n\n<li>The easiest way: file a nil return by SMS (used by lakhs of dormant businesses each month), or file it quickly on the portal.<\/li>\n\n\n\n<li>The late fee for a nil return is lower\u00a0 about \u20b920 per day but it still applies if you miss it.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Do not ignore nil returns; a missed nil return still brings late fees and blocks your next return.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Late_Fees_and_Interest_for_Late_GST_Return_Filing\"><\/span><strong>Late Fees and Interest for Late GST Return Filing<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Filing late costs money, so know the penalties:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Late fee:<\/strong> <strong>\u20b950 per day<\/strong> (\u20b925 CGST + \u20b925 SGST) for a normal return, or <strong>\u20b920 per day<\/strong> for a <strong>nil return<\/strong>.<\/li>\n\n\n\n<li><strong>Late fee cap:<\/strong> the fee is capped based on turnover (commonly from about \u20b92,000 up to \u20b910,000).<\/li>\n\n\n\n<li><strong>Interest:<\/strong> 18% per year on any unpaid tax, from the day after the due date.<\/li>\n\n\n\n<li><strong>Important:<\/strong> Even if you paid the tax on time but filed GSTR-3B late, both interest and late fee still apply.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>New for GSTR-9\/9C:<\/strong> From 1 January 2026, late filing of the annual return (GSTR-9\/9C) triggers an automatic late fee based on your turnover slab. The late fee keeps adding daily until you file so file as soon as possible, even if late.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_3-Year_Rule_for_GST_Returns\"><\/span><strong>The 3-Year Rule for GST Returns<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This is a <strong>strict new rule<\/strong> every taxpayer must know.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>From the July 2025 tax period onwards, you cannot file a GST return after 3 years from its original due date.<\/li>\n\n\n\n<li>After 3 years, the return is permanently blocked on the portal there is no late-filing option and no penalty-and-file route. It is simply closed forever.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">If you have old pending returns, file them before the 3-year limit otherwise you lose the chance permanently, which can cause serious compliance problems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Never leave returns pending for years. Clear any old pending returns as soon as possible.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Happens_if_You_Miss_GST_Return\"><\/span><strong>What Happens if You Miss GST Return?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Late fees and 18% interest keep adding up.<\/li>\n\n\n\n<li>You cannot file the next return GST files in strict order, so one missed return blocks all future ones.<\/li>\n\n\n\n<li>Your buyers lose ITC on your invoices, so they may stop dealing with you.<\/li>\n\n\n\n<li>E-way bill generation can be blocked for repeated non-filing.<\/li>\n\n\n\n<li>Your GSTIN can be suspended or cancelled.<\/li>\n\n\n\n<li>After 3 years, the return is permanently blocked.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">In GST, one missed return is not a small thing; it blocks the next one and multiplies costs. Filing on time, in order is essential.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_GST_Return_Filing_Mistakes_to_Avoid\"><\/span><strong>Common GST Return Filing Mistakes to Avoid<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Wrong figures in GSTR-1<\/strong> \u2014 now they hard-lock into GSTR-3B, so errors are costly.<\/li>\n\n\n\n<li><strong>Not using GSTR-1A<\/strong> to fix GSTR-1 errors before GSTR-3B.<\/li>\n\n\n\n<li><strong>Claiming ITC not in GSTR-2B<\/strong> \u2014 it will be disallowed.<\/li>\n\n\n\n<li><strong>Skipping nil returns<\/strong> \u2014 they are compulsory.<\/li>\n\n\n\n<li><strong>Filing in the wrong order<\/strong> \u2014 always GSTR-1 first, then GSTR-3B.<\/li>\n\n\n\n<li><strong>Missing due dates<\/strong> \u2014 leads to late fees, interest, and blocks.<\/li>\n\n\n\n<li><strong>Leaving old returns pending<\/strong> \u2014 the 3-year bar closes them forever.<\/li>\n\n\n\n<li><strong>Not reconciling<\/strong> purchases with GSTR-2B every month.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GST return filing means submitting your GST returns on time. It keeps your business compliant and helps buyers claim ITC. The main returns are GSTR-1, GSTR-3B, and GSTR-9. Small businesses may use QRMP to file returns every quarter and pay GST monthly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">GSTR-3B hard-locking your sales figures are auto-filled from GSTR-1 and cannot be edited in GSTR-3B, so your GSTR-1 must be correct, and any error must be fixed in GSTR-1A before filing GSTR-3B. Also remember: claim ITC only from GSTR-2B, file even nil returns, and never leave returns pending after 3 years, they are permanently blocked.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQs\"><\/span><strong>Frequently Asked Questions (FAQs)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. What is GST return filing?<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">GST return filing is reporting your sales, purchases, tax collected, and Input Tax Credit to the government on gst.gov.in. Every registered business must file returns regularly \u2014 usually GSTR-1, GSTR-3B, and an annual GSTR-9 \u2014 even in months with no business.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Which GST returns do I need to file?<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For most businesses, three returns matter: GSTR-1 (sales details, by the 11th), GSTR-3B (summary and tax payment, by the 20th), and GSTR-9 (annual return, by 31 December). Small taxpayers can file quarterly under the QRMP scheme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. What are the GST return due dates in 2026?<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For monthly filing, GSTR-1 is due by the 11th and GSTR-3B by the 20th of the next month. QRMP filers submit GSTR-1 by the 13th after the quarter and GSTR-3B by the 22nd or 24th, based on their state. GSTR-9 is usually due by 31 December of the next financial year.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. What is GSTR-3B hard-locking?<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From the July 2025 tax period, the sales figures in GSTR-3B are auto-filled from your GSTR-1 and can no longer be edited in GSTR-3B. Any correction must be made in GSTR-1 or the GSTR-1A amendment return before you file GSTR-3B.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. What is the QRMP scheme?<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">QRMP lets eligible taxpayers with turnover up to \u20b95 crore file GST returns quarterly and pay tax monthly. IFF can be used to upload invoices every month for timely ITC.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6. Do I have to file a return if I had no sales?<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Even with no transactions, you must file nil GSTR-1 and GSTR-3B. Nil returns may also be filed through SMS. Missing the return can cause a late fee and affect your next filing.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>7. How is Input Tax Credit (ITC) claimed now?<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You can claim ITC only for invoices that appear in your auto-generated GSTR-2B, based on what your suppliers filed. Reconcile your purchases with GSTR-2B every month and follow up with suppliers who have not filed, or you will lose that ITC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>8. What are the late fees for GST returns?<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you file your GST return late, you may have to pay a late fee. It is generally \u20b950 per day, or \u20b920 per day for a nil return. You may also have to pay 18% yearly interest on unpaid tax.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>9. What is the 3-year time bar for GST returns?<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You cannot file a GST return after 3 years from its original due date. Once 3 years are over, the portal blocks the return. File old pending returns before the deadline.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>10. What happens if I miss filing my GST return?<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you file your GST return late, you may have to pay a late fee and interest. It can also affect your next return and your buyer&#8217;s ITC. In some cases, e-way bills or your GSTIN may also be affected. Always file your returns on time.&nbsp;<\/p>\n\n\n\n<p class=\"text-left\"><strong>Read our article<\/strong>:<mark style=\"background: #fffd03 !important;\"><ahref=\"https:\/\/whizseed.com\/blogs\/gst-login-portal-how-to-login-at-gst-gov-in-dashboard-fix-login-problems\/         \">GST Login Portal<\/a><\/mark><\/p>\n<br>\n<p class=\"text-left\"><strong>Read our article<\/strong>:<mark style=\"background: #fffd03 !important;\"><ahref=\"https:\/\/whizseed.com\/blogs\/gst-portal-login-not-working-fix-every-gst-login-error-step-by-step\/         \">GST Portal Login Not Working<\/a><\/mark><\/p>\n<br>\n<p class=\"text-left\"><strong>Read our article<\/strong>:<mark style=\"background: #fffd03 !important;\"><ahref=\"https:\/\/whizseed.com\/blogs\/gst-registration-online-process-documents-turnover-limit-fees-time\/ \/       \">GST Registration Online<\/a><\/mark><\/p>\n<br>\n<p class=\"text-left\"><strong>Read our article<\/strong>:<mark style=\"background: #fffd03 !important;\"><ahref=\"https:\/\/whizseed.com\/blogs\/what-is-e-pan-card-apply-status-and-download\/        \">e-Pan Card, Apply, Status and Download<\/a><\/mark><\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>GST return filing means reporting your sales, purchases, tax collected, and Input Tax Credit (ITC) to the government on the portal gst.gov.in . For most businesses, only three returns matter: GSTR-1 (your sales details, due by the 11th of the next month), GSTR-3B (summary + tax payment, due by the 20th), and GSTR-9 (annual return, [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":3149,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65],"tags":[],"class_list":["post-3148","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-information"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GST Return Filing 2026: Types, Due Dates, GSTR-1 &amp; GSTR-3B Hard-Locking Guide<\/title>\n<meta name=\"description\" content=\"GST return filing 2026 guide. 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