# aligned-ibr-jp-01

Source: https://xmlvalid.com/rules/aligned-ibr-jp-01

> If a date of an invoice period (ibg-14) or an invoice line period (ibg-26) is on and after October 1st 2023, Seller Tax Identifier shall be coded by using a Registration Number for Qualified Invoice purpose in Japan, which consists of 14 digits that start with T.

- Level: error
- Rule sets: PINT JP rules (Japan) 1.1.3
- Context: `/ubl:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme[cac:TaxScheme/normalize-space(upper-case(cbc:ID))='VAT']`
- Test: `(((//cbc:StartDate >= '2023-10-01') or (//cbc:EndDate >= '2023-10-01')) and matches(normalize-space(cbc:CompanyID),'^T[0-9]{13}$')) or not((//cbc:StartDate >= '2023-10-01') or (//cbc:EndDate >= '2023-10-01'))`

Validate a document against these rules: https://xmlvalid.com/validate