Invoicing guides

Short, practical articles on getting invoices right and getting paid on time.

• 6 min readHow to Create a GST Invoice in India (Step by Step)What a GST tax invoice must contain, how CGST, SGST and IGST are worked out, and how to make one in two minutes.
• 5 min readCGST vs SGST vs IGST: Which One Goes on Your Invoice?A plain-English guide to the three kinds of GST, with worked examples for sales within a state, between states and abroad.
• 4 min readHSN vs SAC Codes: What They Are and How Many Digits You NeedHSN codes classify goods and SAC codes classify services. Here is how to find yours and how many digits to print on a GST invoice.
• 4 min readInvoice vs Bill vs Receipt: What Is the Difference?Invoices ask for payment, receipts confirm it, and "bill" means different things in different places. Here is when to use each.
• 5 min readWhat to Include in a UK VAT InvoiceThe details HMRC expects on a full VAT invoice, when a simplified invoice is enough, and how reverse charge wording works.
• 4 min readProforma Invoice vs Tax InvoiceA proforma invoice is an advance offer; a tax invoice records an actual sale. Here is when each is used and what they must say.
• 5 min readHow to Write Payment Terms That Get You Paid FasterClear payment terms reduce late payments. Examples of due dates, early payment discounts and the details clients need to pay you.
• 5 min readLate Payment Clauses: What You Can Add to an InvoiceHow to word a late payment clause, what the law allows in India, the UK and elsewhere, and how to follow up politely.
• 5 min readInvoicing Without GST or VAT as a FreelancerWhen you are below the registration threshold, how to invoice without tax, what note to add and what changes when you register.
• 4 min readHow to Number Your Invoices (With Examples)Invoice numbers must be unique and usually sequential. Good formats, rules for India GST, and what to do when you make a mistake.