# myBillPlease ## For agents Append `.md` to any article URL for its markdown source (e.g. https://blog.mybillplease.com/gstr-1-hsn-summary-error-table-12-13.md). The same is served at the article URL with `Accept: text/markdown`. Every article at once: https://blog.mybillplease.com/llms-full.txt ## Elsewhere - Add as a preferred source on Google: https://www.google.com/preferences/source?q=blog.mybillplease.com - Find it on the Shopify App Store: https://apps.shopify.com/mybillplease ## Articles - [GSTR-1 HSN Summary Error (Table 12/13): Fix Step by Step](https://blog.mybillplease.com/gstr-1-hsn-summary-error-table-12-13): Table 12 and Table 13 errors block GSTR-1 filing more often than any other section. Here is what each validation checks, why it fails, and the exact order to fix it in. - [Still Using Excel for GST Billing? Here's What It's Costing You in 2026](https://blog.mybillplease.com/excel-billing-vs-gst-software): Excel feels free — until you count the hours wasted on manual entries, the penalties from tax errors, and the GSTR reports you compile by hand every month. In 2026, with GST 2.0 rate changes and mandatory e-invoicing expanding, the real cost of Excel billing is higher than any software subscription. - [7 GST Billing Mistakes That Can Cost Your Business Lakhs in 2026](https://blog.mybillplease.com/gst-billing-mistakes-small-business): From wrong HSN codes to unclaimed ITC — these 7 billing errors silently drain lakhs from small businesses every year. Most are easy to fix once you know what to look for. - [Complete GST Compliance Checklist for New Businesses in India (2026)](https://blog.mybillplease.com/gst-checklist-new-business-india): Starting a new business in India? GST compliance can feel overwhelming with registrations, returns, invoices, and reconciliations. This step-by-step checklist covers every GST requirement for new businesses — thresholds, deadlines, penalties, and exactly how to stay compliant from day one. - [5 ITC Claim Mistakes That Trigger GST Notices in 2026](https://blog.mybillplease.com/itc-claim-mistakes-gst-notice): GSTR-2B auto-matching catches ITC mismatches instantly. One wrong claim and you get a show cause notice under Section 73 or 74. Here are the 5 most common ITC mistakes — and exactly how to avoid each one. - [10 Ways to Save Money on GST Compliance for Small Businesses in 2026](https://blog.mybillplease.com/save-money-gst-compliance-tips): Indian small businesses spend ₹15,000–₹50,000 per year on GST compliance costs alone — accountant fees, software, late penalties, and wrong tax paid. Here are 10 proven ways to cut that bill by 40–60% starting this month. - [18% GST Items List 2026: Standard Rate Products After GST 2.0](https://blog.mybillplease.com/18-percent-gst-items): 18% is now the dominant GST rate in India — absorbing items from both the abolished 12% and 28% slabs. Here is the complete list of items at 18% with HSN codes, effective September 22, 2025. - [40% GST Items List 2026: Complete Luxury Slab After GST 2.0](https://blog.mybillplease.com/40-percent-gst-items): The new 40% GST slab replaced the old 28% rate for luxury and sin goods after GST 2.0. Here is the complete item-wise list with HSN codes, effective September 22, 2025. - [5% GST Items List 2026: Complete Product List After Rate Change](https://blog.mybillplease.com/5-percent-gst-items): GST 2.0 expanded the 5% merit rate slab significantly. Items that were at 12% moved down to 5%, making essentials cheaper. Here is the complete list with HSN codes, effective September 22, 2025. - [Fully Automatic Invoice in Excel: Free Download with GST Formula](https://blog.mybillplease.com/auto-invoice-excel): Build an automatic invoice in Excel with GST calculation formulas, auto invoice numbering, and customer data lookup. Includes VBA macros and a guide on when Excel reaches its limits. - [Best Billing App for Android & PC India: Top 10 Free Options 2026](https://blog.mybillplease.com/best-billing-app-india): Compared 10 billing apps on Android, iOS, and Windows. Real tests on invoice creation speed, offline capability, barcode scanning, and GST compliance — not marketing claims. - [10 Best Free GST Billing Software for Small Business India 2026](https://blog.mybillplease.com/best-free-billing-software): Tested 10 billing tools across price, features, GST compliance, and ease of use. Here is the honest comparison — including where each tool falls short. - [Export Invoice Format: GST Rules, Template & Free Download](https://blog.mybillplease.com/export-invoice-format): Exporting goods or services from India? Your invoice must meet specific GST requirements — LUT bond, zero-rated supply declaration, foreign currency rules, and shipping bill linkage. Here is everything you need to know. - [Free GST Billing Software by Government: Does It Exist in 2026?](https://blog.mybillplease.com/free-billing-software-government): The government provides GST filing portals and e-invoice tools — but not billing software. Here is what each government tool actually does, who it is for, and what free alternatives exist. - [Financial Year End GST Checklist: 10 Tasks Before March 31](https://blog.mybillplease.com/fy-end-gst-checklist): The financial year closes on March 31. After that, most adjustments to your FY 2025-26 GST returns become either impossible or attract penalties. Here are the 10 critical GST tasks every business must complete before year-end. - [GST Audit Checklist 2026: Documents & Compliance Requirements](https://blog.mybillplease.com/gst-audit-checklist): GSTR-9 annual return is mandatory for all registered taxpayers. GSTR-9C audit applies to businesses above ₹5 crore turnover. Here is everything you need to prepare for GST audit — documents, reconciliation steps, and common red flags. - [GST Bill Format PDF: Free Download for Retail & Wholesale 2026](https://blog.mybillplease.com/gst-bill-format-pdf): Print-ready GST bill formats for retail shops, wholesale traders, and service providers. Includes all mandatory fields, CGST/SGST split, and compliant layout for 2026. - [GST Return Due Dates May 2026: Complete Filing Calendar](https://blog.mybillplease.com/gst-due-dates-may-2026): GSTR-1 is due May 11. GSTR-3B is due May 20 for monthly filers, and May 22 or May 24 for QRMP filers. Here is every GST due date for May 2026 with the exact date, form, and who it applies to. - [GST for Doctors & Hospitals: Exemptions, Registration & Billing](https://blog.mybillplease.com/gst-for-doctors): Healthcare services are largely exempt from GST in India — but the exemptions have important exceptions. Pharmacy sales, medical equipment, and hospital room rent above ₹5,000/day attract GST. Here is the complete guide. - [GST for Restaurants 2026: 5% Without ITC vs 18% With ITC Rules](https://blog.mybillplease.com/gst-for-restaurants): Most restaurants pay 5% GST with no input tax credit. But in some cases, 18% with ITC works out cheaper. Here is the complete guide to restaurant GST rates, Swiggy/Zomato rules, cloud kitchens, and composition scheme. - [GST Invoice Format Excel: Free Download with Auto-Calculation](https://blog.mybillplease.com/gst-invoice-excel-download): A ready-to-use GST invoice Excel template with CGST/SGST/IGST auto-split formulas, HSN code column, and print layout. Covers all 16 mandatory fields as per the CGST Act. - [GST Invoice Management System (IMS) 2026: New Rules & How It Works](https://blog.mybillplease.com/gst-invoice-management-changes): The GST portal launched the Invoice Management System (IMS) in October 2024. Starting FY 2025-26, IMS changes how businesses accept, reject, and dispute supplier invoices — and directly impacts which ITC you can claim. - [GST Late Fee Calculator: Penalty for Late GSTR-1 & 3B Filing](https://blog.mybillplease.com/gst-late-fee-calculator): Miss a GST filing deadline and the meter starts running immediately. GSTR-1 late fee is ₹200/day. GSTR-3B late fee is ₹50–₹200/day. Plus 18% interest on unpaid tax. Here is exactly what you owe and how to calculate it. - [GST on Insurance 2026: 0% Rate After GST 2.0 — What Changed](https://blog.mybillplease.com/gst-on-insurance): Life insurance and health insurance premiums are now exempt from GST after September 22, 2025. The 18% GST that used to add thousands to your annual premium is gone. Here is everything you need to know. - [GST Penalty for Late Filing 2026: Rates, Interest & How to Avoid](https://blog.mybillplease.com/gst-penalty-late-filing): Section 73 penalty is 10% of tax (minimum ₹10,000). Section 74 (fraud) penalty is 100% of tax. A show cause notice gives you 30 days to respond. Here is what every taxpayer needs to know. - [GST Refund: How to Apply Online, Track Status & Claim Process](https://blog.mybillplease.com/gst-refund-process): ₹1.87 lakh crore in GST refunds were processed in FY 2024-25. Are you claiming what is owed to you? RFD-01 is the form. 60 days is the timeline. Here is the complete process. - [GST for Transport & Logistics: Rates, E-Way Bill & RCM Rules](https://blog.mybillplease.com/gst-transport-logistics): GTA services, freight charges, multimodal transport, reverse charge mechanism — GST in transport is complex. This guide covers every rate, every exemption, and every compliance requirement for logistics businesses in 2026. - [GSTR-2B Reconciliation: How to Match ITC & Fix Mismatches 2026](https://blog.mybillplease.com/gstr-2b-reconciliation): GSTR-2B is auto-populated from your suppliers' filings. If they miss an invoice, your ITC disappears. Here is how to reconcile, catch mismatches, and protect your input tax credit. - [How to Calculate GST: Formula, Examples, and Free Calculator 2026](https://blog.mybillplease.com/how-to-calculate-gst): Learn the GST calculation formula for both inclusive and exclusive prices. Step by step examples for 5%, 18%, and 40% rates with a free online calculator. - [How to Create a GST Invoice: Step by Step Tutorial 2026](https://blog.mybillplease.com/how-to-create-gst-invoice): Learn how to create a GST-compliant invoice from scratch — with correct GSTIN, HSN codes, tax calculation, and all 16 mandatory fields. Includes a free invoice generator tool. - [Purchase Order Format: Free GST-Compliant Excel & Word Template](https://blog.mybillplease.com/purchase-order-format): A complete guide to purchase order format in India — mandatory fields, GST on PO, vendor management, and a free Excel and Word template download for 2026. - [Quotation Format GST: Free Templates in Excel, Word & PDF 2026](https://blog.mybillplease.com/quotation-format-gst): Professional quotation formats with GST tax breakup, validity period, and terms. Convert quotes to invoices in one click. Free templates for all business types in India. - [How to Revoke GST Cancellation: Step-by-Step Application 2026](https://blog.mybillplease.com/revoke-gst-cancellation): GST registration was cancelled? You have 90 days to apply for revocation using Form REG-21. Missing this window means reapplying as a new taxpayer. Here is the complete process. - [Tally vs Excel for GST Billing: Which is Better for Small Business?](https://blog.mybillplease.com/tally-vs-excel-billing): Tally costs ₹18,000+/year and takes months to learn. Excel is free but error-prone and not GST compliant. There is a third option most small businesses don't know about. - [What is a Delivery Challan? Format, When to Issue, and GST Rules 2026](https://blog.mybillplease.com/what-is-delivery-challan): A delivery challan is used when goods move without a sale — for job work, exhibitions, approvals, or branch transfers. Here is the complete guide with format and GST rules. - [CGST vs SGST vs IGST: Differences, When to Apply, and How to Calculate](https://blog.mybillplease.com/cgst-sgst-igst-difference): Every GST invoice must charge either CGST + SGST or IGST — never both. The choice depends on whether the supply is intra-state or inter-state. Here is a clear explanation with examples. - [E-Invoicing Under GST 2026: Who Needs It, How It Works, and How to Comply](https://blog.mybillplease.com/e-invoicing-guide): E-invoicing is mandatory for businesses with turnover above Rs 5 crore. Every B2B invoice must be registered on the IRP portal. Here is the complete guide to e-invoice rules, process, and compliance. - [GST Composition Scheme 2026: Eligibility, Rates, Benefits, and Limitations](https://blog.mybillplease.com/gst-composition-scheme): The composition scheme lets small businesses pay a flat low GST rate without detailed invoicing. But it comes with restrictions on ITC, inter-state sales, and e-commerce. Here is the complete guide. - [GST Due Dates April 2026: GSTR-1, GSTR-3B, and Compliance Calendar](https://blog.mybillplease.com/gst-due-dates-april-2026): All GST filing deadlines for April 2026 in one place. GSTR-1, GSTR-3B, GSTR-9, TDS, TCS — never miss a deadline and avoid late fees. - [GST Registration Online 2026: Step by Step Process, Documents, and Fees](https://blog.mybillplease.com/gst-registration-online): GST registration is mandatory for businesses above Rs 20 lakh turnover. Here is the complete online registration process with document checklist, timeline, and common rejection reasons. - [TDS vs TCS in GST 2026: Key Differences, Rates, and Who Must Comply](https://blog.mybillplease.com/tds-vs-tcs-gst): TDS and TCS under GST are two different deduction mechanisms. TDS is deducted by the buyer. TCS is collected by e-commerce operators. Here is a clear comparison with rates, applicability, and filing requirements. - [What is a Proforma Invoice? Format, Purpose, and How to Create One in 2026](https://blog.mybillplease.com/what-is-proforma-invoice): A proforma invoice is a preliminary bill sent before a sale is confirmed. It is not a tax invoice and cannot be used for GST filing. Here is everything you need to know — with a free template. - [Credit Note vs Debit Note in GST: When to Issue, Format, and Rules 2026](https://blog.mybillplease.com/credit-note-debit-note-gst): Credit notes reduce invoice value. Debit notes increase it. Both affect your GST returns, input tax credit, and GSTR-1 filing. Here is the complete guide with examples. - [E-Way Bill Rules 2026: Limits, Exemptions, and How to Generate](https://blog.mybillplease.com/e-way-bill-guide): Every movement of goods worth more than Rs 50,000 needs an e-way bill. This guide covers the rules, exemptions, validity periods, and step-by-step generation process. - [GST for E-Commerce Sellers in India 2026: Complete Compliance Guide](https://blog.mybillplease.com/gst-for-ecommerce-sellers): Selling online on Shopify, Amazon, or Flipkart? GST compliance is mandatory. This guide covers registration, invoicing, TCS, returns, and how to stay compliant without losing your mind. - [GST Invoice Format 2026: Mandatory Fields, Rules, and Free Templates](https://blog.mybillplease.com/gst-invoice-format-guide): Every GST invoice must include 16 mandatory fields. Missing even one can block your customer's input tax credit. Here is the complete format with rules, examples, and free templates. - [How to File GSTR-1 in 2026: Step by Step Guide](https://blog.mybillplease.com/gstr-1-filing-guide): GSTR-1 is the return for outward supplies — every GST-registered business must file it. This guide walks you through the complete filing process, due dates, formats, and how to avoid common mistakes. - [How to File GSTR-3B in 2026: Step by Step Guide with Due Dates](https://blog.mybillplease.com/gstr-3b-filing-guide): GSTR-3B is your monthly summary return for GST. It determines how much tax you actually pay. Here is the complete filing process, due dates, and how to calculate your net liability. - [Input Tax Credit (ITC) in GST 2026: Rules, Eligibility, and How to Claim](https://blog.mybillplease.com/input-tax-credit-guide): Input tax credit lets you reduce your GST liability by claiming the tax you already paid on purchases. Here is the complete guide to ITC rules, eligibility, and the claiming process after GST 2.0. - [New GST Rates List 2026: Complete Guide After GST 2.0 Reform](https://blog.mybillplease.com/new-gst-rates-2026): The 12% and 28% GST slabs are gone. India now has three main rates: 5%, 18%, and 40%. Here is the complete updated list of GST rates effective from September 22, 2025.