# BR-KSA-F-06-C5

Source: https://xmlvalid.com/rules/BR-KSA-F-06-C5

> Field character limits for Contract ID field (BT-12) have not been met. The maximum limit is 127 characters .

- Level: warning
- Rule sets: ZATCA e-invoicing rules (Saudi Arabia) SDK 3.4.6
- Context: `/ubl:Invoice | /cn:CreditNote`
- Test: `exists(cac:ContractDocumentReference/cbc:ID) and string-length(cac:ContractDocumentReference/cbc:ID) > 127`

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