MER have developed UBL 2.1 option for exchanging EDI documents between suppliers and senders.

Specification for generating XML examples with XSD schemas can be downloaded on this link https://manual.moj-eracun.hr/wp-content/uploads/2025/09/SmjerniceDodatniSetUpdate2025_09_26.zip (Croatian version)

Types of additional UBL 2.1 documents are:

Newsletter subscription