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v0.1.0 — self-hostable global tax engine

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@sylvesterdamgaard sylvesterdamgaard released this 15 Jul 09:53
v0.1.0
41822ff

First release of Cbox Tax — a self-hostable consumption-tax engine for Laravel that owns the calculation logic and sources only rate data behind pluggable contracts. Built on cboxdk/laravel-geo.

Coverage — ~52 jurisdictions, every rate primary-source verified

  • EU VAT (27, Art. 44/45/58 + intra-EU B2B reverse charge)
  • National VAT/GST: UK, CH, NO, AU, NZ, MX, Singapore, Taiwan, UAE, Saudi Arabia, Bahrain, Oman, Türkiye, Chile, Indonesia, Vietnam, Philippines, Japan, South Korea, Thailand, Ukraine
  • India (dual GST — IGST vs CGST+SGST, OIDAR)
  • Malaysia (SST — charges B2B+B2C, no reverse charge)
  • US sales tax (nexus + per-state taxability + state/rooftop rate) and Canada (province-level)

We omit rather than ship an unverified rate — see docs/coverage for the honest not-yet-supported list (China, Argentina, Pakistan provinces, and a rate-known/mechanics-pending batch).

Capabilities

  • Multi-entity / seller-of-record routing (tax = f(seller registrations, buyer, product))
  • Reverse-charge with VAT-ID validation (VIES · HMRC · ABN), fail-safe on outage
  • Address geocoding (Geocodio) for US rooftop resolution
  • Composable rate sources (static · remote feed · caching · chain)
  • Return-data aggregation for filing
  • Deny-by-default throughout: unmodelled jurisdiction or missing rate → refuse, never a silent 0%

Quality

PHP ^8.4 · Laravel ^12 || ^13. Gate green: pint · phpstan level max · 50 tests · license-check · CycloneDX SBOM · composer audit.

Status: early / pre-1.0. Rates are illustrative defaults unless a live source is bound; external adapters (VIES/HMRC/ABN/Geocodio/remote feeds) implement documented shapes — verify against the live services before production.

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