Reaffirmation of HL7 Version 3 Standard: XML: Implementation Technology Specification – V3 Structures for Wire Format Compatible Release 1 Data Types, Release 1-2019
ANSI/HL7 V3XMLITS STRUCT4WFCRIDT, R1-2014 (R2019) – see https://www.hl7.org/implement/standards/product_brief.cfm?product_id=358 for more information.