Invoicing guides
Practical, checked guidance for getting invoices right and getting paid on time.
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Australian tax invoice requirements
What an Australian tax invoice must show under ATO rules: the 7 requirements, $82.50 and $1,000 thresholds, mixed sales, adjustment notes, RCTIs and records.
6 min read
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Canadian GST/HST invoice requirements
What a GST/HST invoice must show under CRA rules: the $100 and $500 input tax credit tiers, the BN format, 2026 rates by province, place of supply and records.
6 min read
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How to chase late payments
A reminder schedule with example emails for each stage, a phone script, late fees and interest, final demands, small claims options and when to write off.
8 min read
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How to write an invoice
How to write an invoice step by step: what to include, how to work out line items, discounts, sales tax and deposits, with a worked example and common mistakes.
8 min read
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How to number invoices
How to number invoices: why unique sequential numbers matter, formats with examples, handling voided invoices, and separate series for quotes and credit notes.
6 min read
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Invoice vs receipt: what's the difference?
An invoice asks for payment; a receipt proves it was made. Compare timing, contents and tax role, see related documents, and turn a paid invoice into a receipt.
6 min read
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Payment terms explained
What net 30, EOM, due on receipt and 2/10 net 30 mean, with worked due dates, the real cost of early payment discounts, late fee rules and wording to copy.
8 min read
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UK VAT invoice requirements
What HMRC requires on a VAT invoice, plus simplified and modified invoices, tax points, the 30-day rule, foreign currency, reverse charge and record keeping.
7 min read