Peer-to-peer blockchain users have long accepted (or leveraged in the case of drug dealers and ransom seekers) the anonymity provided in transactions and the lack of a paper trail. Blockchain users are increasingly seeking to use the blockchain for legal business trading, meeting their obligations for documenting the procurement and transportation steps of a transaction. UBL provides the means to do so in an internationally-standardized XML document vocabulary.

OASIS is a good place to create open business information exchange standards. This article gives you some pointers on how to go about doing that.

A comprehensive introduction to the OASIS UBL standard, an open, customizable and extensible XML vocabulary for business documents.