# BR-10

Source: https://xmlvalid.com/rules/BR-10

> An Invoice shall contain the Buyer postal address (BG-8).

- Level: error
- Rule sets: EN 16931 rules (UBL) 1.3.17, EN 16931 rules 1.3.16 (UBL), EXTENDED-CTC-FR rules (UBL) 1.4.0.04, Romanian RO e-Factura rules (UBL) 1.0.9
- Context: `/ubl:Invoice | /cn:CreditNote`
- Test: `exists(cac:AccountingCustomerParty/cac:Party/cac:PostalAddress)`

> An Invoice shall contain the Buyer postal address (BG-8).

- Level: error
- Rule sets: EN 16931 rules (CII) 1.3.17, EN 16931 rules 1.3.16 (CII), EXTENDED-CTC-FR rules (CII) 1.4.0.04
- Context: `/rsm:CrossIndustryInvoice`
- Test: `rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:BuyerTradeParty/ram:PostalTradeAddress`

> An Invoice shall contain the Buyer postal address (BG-8).

- Level: error
- Rule sets: Factur-X BASIC WL rules 1.09, Factur-X EN 16931 rules 1.09.2, Factur-X EXTENDED rules 1.09.2
- Context: `/rsm:CrossIndustryInvoice`
- Test: `//ram:BuyerTradeParty/ram:PostalTradeAddress`

## Why it fails

- The buyer party has no `cac:PostalAddress` (`ram:PostalTradeAddress` in CII).

## How to fix it

- Add the buyer's postal address, with at least its country code (BR-11).

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