feat(validation): Implement EN16931 compliance validation types and VAT categories

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- Added validation types for EN16931 compliance in `validation.types.ts`, including interfaces for `ValidationResult`, `ValidationOptions`, and `ValidationReport`.
- Introduced `VATCategoriesValidator` in `vat-categories.validator.ts` to validate VAT categories according to EN16931 rules, including detailed checks for standard, zero-rated, exempt, reverse charge, intra-community, export, and out-of-scope services.
- Enhanced `IEInvoiceMetadata` interface in `en16931-metadata.ts` to include additional fields required for full standards compliance, such as delivery information, payment information, allowances, and charges.
- Implemented helper methods for VAT calculations and validation logic to ensure accurate compliance with EN16931 standards.

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This commit is contained in:

Jürgen Kunz

2025-08-11 12:25:32 +00:00

parent 01c6e8daad

commit 10e14af85b

53 changed files with 11315 additions and 17 deletions

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assets/schematron/PEPPOL-EN16931-UBL-v3.0.17.sch Normal file

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