--- title: "GST Bill, Invoice & Quotation Guides, Page 2 | BillBabu Blog" description: "Page 2 of the BillBabu blog: guides on GST bills, HSN codes, quotations, party ledger and stock for Indian shop owners." canonical_url: "https://billbabu.com/blog/page/2" markdown_url: "https://billbabu.com/blog/page/2.md" type: "blog-index" language: "en-IN" last_updated: "2026-05-15" site: "BillBabu (https://billbabu.com)" --- # Guides for GST billing, quotations and stock, page 2 Page 2 of the BillBabu blog: guides on GST bills, HSN codes, quotations, party ledger and stock for Indian shop owners. - [UPI Payments for Businesses: Accept Without Transaction Fees](https://billbabu.com/blog/upi-payments-businesses-no-transaction-fees) (2026-05-15): UPI is the cheapest way to accept business payments in India. Learn the rules for P2M vs P2P, MDR, dynamic QR, and best practices for your invoices. - [How to Follow Up on Quotations Without Being Pushy](https://billbabu.com/blog/how-to-follow-up-quotations-without-being-pushy) (2026-05-15): The fortune is in the follow-up. Learn polite, effective ways to follow up on quotations and increase your conversion rate without annoying prospects. - [How to Convert an Estimate or Quotation into an Invoice](https://billbabu.com/blog/converting-estimates-to-invoices-workflow) (2026-05-15): When a customer accepts your quotation, the invoice should match it without retyping a single line. Here is what carries over, what you must check before you send it, and how the Convert button works in BillBabu. - [How to Send a Bill on WhatsApp as a PDF](https://billbabu.com/blog/how-to-send-invoices-whatsapp-india) (2026-05-15): Most customers in India would rather get their bill on WhatsApp than on paper. Here is how to send a proper GST invoice as a PDF from your phone, what to check before you send it, and the small habits that get you paid faster. - [E-Way Bill: When You Need It and How to Generate It Online](https://billbabu.com/blog/eway-bill-when-need-how-to-generate-online) (2026-05-15): E-way bill is required for movement of goods worth Rs. 50,000 or more. Learn the rules, exemptions, and step-by-step generation on the e-way bill portal. - [Credit Note and Debit Note in GST: Format, Rules, Examples](https://billbabu.com/blog/credit-note-debit-note-gst-format-rules) (2026-05-15): Credit notes reduce tax liability; debit notes increase it. Learn when to issue each under GST with format, time limits, and examples. - [GST Invoice Number Rules: Format, 16-Character Limit and Series](https://billbabu.com/blog/how-to-number-invoices-correctly-best-practices) (2026-05-15): Under GST, every invoice number must be unique for the financial year, run in order and fit in 16 characters. Here are the exact rules, valid and invalid examples, and how to set up a series that never trips you up. - [Invoice vs Estimate vs Quotation vs Proforma Invoice: The Difference](https://billbabu.com/blog/invoice-vs-estimate-vs-quotation-differences) (2026-05-15): A quotation and an estimate are offers. A proforma invoice is a draft bill sent before the sale. A tax invoice is the real bill under GST. Here is when to use each, with one job followed from quote to final bill. - [E-Invoicing Under GST: New Rules and Implementation Guide](https://billbabu.com/blog/e-invoicing-gst-rules-implementation-india) (2026-05-15): E-invoicing is mandatory for many Indian businesses. Learn the latest turnover threshold, IRN generation, QR code requirements and how to comply. - [GST Returns Filing: GSTR-1, GSTR-3B and GSTR-9 Complete Guide](https://billbabu.com/blog/gst-returns-filing-gstr1-gstr3b-gstr9-guide) (2026-05-15): Step-by-step guide to filing GSTR-1, GSTR-3B and GSTR-9 returns — due dates, late fees, and the easiest way to file without errors. - [How to Check a GST Number: Format Check vs Verifying It on the GST Portal](https://billbabu.com/blog/gstin-validation-verify-gst-number-online-free) (2026-05-15): Before you put a customer's GSTIN on a bill, check two things: that the number is correctly formed, and that it belongs to an active registration. Here is how to do both for free, and what each check can and cannot tell you. - [How to Find the HSN Code for Any Product](https://billbabu.com/blog/how-to-find-hsn-code-products-guide) (2026-05-15): An HSN code tells the taxman exactly what you sold, and it decides the GST rate. Here are five reliable ways to find the right code, how many digits to print on your bill, and the mistakes to avoid. Page 2 of 3. [Previous page](https://billbabu.com/blog) · [Next page](https://billbabu.com/blog/page/3) ## Categories - [GST Compliance](https://billbabu.com/blog/category/gst-compliance) (10) - [Invoicing](https://billbabu.com/blog/category/invoicing) (8) - [Estimates](https://billbabu.com/blog/category/estimates) (2) - [Software](https://billbabu.com/blog/category/software) (2) - [Accounting](https://billbabu.com/blog/category/accounting) (1) - [Billing Software](https://billbabu.com/blog/category/billing-software) (1) - [Business Growth](https://billbabu.com/blog/category/business-growth) (1) - [Estimates & Quotations](https://billbabu.com/blog/category/estimates-and-quotations) (1) - [Payments](https://billbabu.com/blog/category/payments) (1) --- This is the Markdown version of https://billbabu.com/blog/page/2 for AI assistants. 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