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Pro Tips for Professional Invoices

• Always include a PO number if your client requires one — 35% of payment delays are due to PO-matching issues.
• State payment terms clearly (e.g., “Net 30”) — invoices with explicit due dates are paid 27% faster.
• Add a late payment policy (e.g., 1.5% monthly interest) to encourage timely payment.
• Use sequential, gap-free invoice numbering for tax compliance in most jurisdictions.
• Retain invoice records for 7 years (IRS recommendation) in secure, backed-up storage.