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Invoicing, explained plainly

Work through invoice examples, compare document types and check your payment process. Each guide explains the steps, common mistakes and relevant official sources.

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Start with how to make an invoice for your first bill, or choose a specific task below. Tax requirements depend on your transaction and jurisdiction. Read about our guides and sources.

  1. 01

    How to Make an Invoice: Steps, Example & Checklist

    Make an invoice with clear line items, dates, payment instructions and a checked balance. Includes a worked example, sending email and final checklist.

  2. 02

    Invoice vs Receipt: Differences & Payment Examples

    An invoice records what is payable; a receipt acknowledges payment. Compare the fields, handle deposits and part payments, and avoid duplicate records.

  3. 03

    Quote vs Estimate vs Invoice: Which Should You Send?

    Choose an estimate for uncertain scope, a quote for a defined offer, or an invoice for an agreed charge. Includes a project example and conversion checks.

  4. 04

    What Is a Proforma Invoice? Uses & Worked Example

    Understand when to use a proforma invoice, what to include, and how to handle advances and final invoices. Includes an example and UK VAT source.

  5. 05

    Payment Terms Explained: Net 30, Due Dates & Discounts

    Calculate Net 15 and Net 30 due dates, understand EOM and early-payment discounts, and write clear terms that match your customer agreement.

  6. 06

    GST Invoice Format in India: Fields & Worked Example

    Check GST invoice particulars, compare CGST/SGST and IGST examples, and understand what a PDF generator cannot do for e-invoicing or tax compliance.

  7. 07

    Invoice Numbering: Formats, Gaps & Practical Examples

    Choose an invoice numbering series, manage yearly resets and cancelled numbers, and prevent duplicates across browsers. Includes UK, EU and India sources.

  8. 08

    How to Get Paid Faster: Invoice Checks & Reminder Emails

    Reduce preventable invoice delays, reconcile part payments, and use four adaptable reminder emails. Includes a follow-up schedule and escalation checks.