# BR-KSA-08

Source: https://xmlvalid.com/rules/BR-KSA-08

> The seller identification (BT-29) must exist only once with one of the scheme ID (BT-29-1) (CRN, MOM, MLS, SAG, OTH, 700) and must contain only alphanumeric characters. Commercial Registration number with "CRN" as schemeID. MOMRAH license with "MOM" as schemeID. MHRSD license with "MLS" as schemeID. 700 Number with "700" as schemeID. MISA license with "SAG" as schemeID. Other ID with "OTH" as schemeID. In case of multiple commercial registrations, the seller should fill the commercial registration of the branch in respect of which the Tax Invoice is being issued. In case multiple IDs exist then one of the above must be entered following the sequence specified above.

- Level: warning
- Rule sets: ZATCA e-invoicing rules (Saudi Arabia) SDK 3.4.6
- Context: `/ubl:Invoice | /cn:CreditNote`
- Test: `not( string-length(normalize-space( ./@schemeID)) > 2 and contains('CRN MOM MLS SAG OTH 700', ./@schemeID) and (matches((.), '^[a-zA-Z0-9]*$')) )`

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