# BT-61 — Payee legal registration identifier

> https://billhorse.com/en/terms/bt-61/

Official registration number of the payee (e.g. trade register, SIREN). Mirrors BT-30 on the seller side.

## Where does it live in the XML?

- UBL: `cac:PayeeParty/cac:PartyLegalEntity/cbc:CompanyID`
- CII: `rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:PayeeTradeParty/ram:SpecifiedLegalOrganization/ram:ID`