Fiscal402 is global fiscal event infrastructure with explicit jurisdiction coverage. Parties may be anywhere. Tax is determined only where a verified engine exists.
US seller → NL consumer
- US seller · NL B2C · x402 USDC
- ↓
- FiscalEvent
- ↓
- EU VAT OSS (NL 21%)
- ↓
- UBL 2.1 + fiscal402.receipt/1.0.0
NL seller → US buyer
- NL seller · US buyer
- ↓
- FiscalEvent persists
- ↓
- US candidate · MANUAL_REVIEW
- ↓
- no invented rate · no v1 receipt
Coverage
| Jurisdiction | Event model | Determination | Receipt |
|---|---|---|---|
| EU VAT | SUPPORTED | SUPPORTED | V1 SUPPORTED |
| UK VAT | SUPPORTED | EXPERIMENTAL | UNSUPPORTED |
| US sales tax | SUPPORTED | MANUAL_REVIEW | UNSUPPORTED |
| Canada GST/HST/PST/QST | SUPPORTED | MANUAL_REVIEW | UNSUPPORTED |
| Other countries | REPRESENTABLE | NOT_VERIFIED | UNSUPPORTED |
Know coverage before you process
POST /v1/capabilities/check
{
"seller_country": "US",
"buyer_country": "NL",
"supply_type": "digital_service"
}Query the corridor without executing payment. Layers are returned separately. A single supported: true is never the answer.
What this is not
- Worldwide tax determination.
- A guessed US or Canadian rate.
- Automatic filing or remittance.