Open Data

Machine-readable datasets published by MyInvoiceTemplate, licensed CC BY 4.0 (free to use with attribution). Methodology: how we verify this data. Every verification pass and correction is logged in the data changelog.

US state late-payment interest (50 states + DC)

Default statutory rate when a B2B contract is silent + the max written-contract rate, per jurisdiction, each row citing the controlling statute. 51 of 51 rows carry an individual re-verification date and 51 quote the operative statute text verbatim. Last verified: 2026-08-19.

• late-payment-interest-by-state-2026.csv
• late-payment-interest-by-state-2026.json
• late-fee-ranked-2026.txt — plain-text ranking: interest owed on a $10,000 invoice 90 days late, by state

Human-readable table with per-state anchors: late fee calculator & state table

VAT / GST standard rates by country (42 jurisdictions)

Standard and reduced rates verified against the official source cited per row, except Kuwait, where no official page stating the status was found and a secondary source is cited and labelled. Last verified: 2026-09-25.

• vat-rates-by-country-2026.csv
• vat-rates-by-country-2026.json

Human-readable table: VAT & GST invoicing guide

E-invoicing mandates by jurisdiction (34 entries)

Status, scope and verified phase dates of structured e-invoicing mandates (plus the EU frameworks: ViDA, EN 16931, Peppol), each entry citing and quoting the official source. Last verified: 2026-08-20.

• e-invoicing-mandates-2026.csv
• e-invoicing-mandates-2026.json

Human-readable tracker: e-invoicing mandates tracker