Historical
INCITS/ISO/IEC 8824-3:2008[2014]
Information technology - Abstract Syntax Notation One (ASN.1): Constraint specification
ISO/IEC 8824-3:2008 is part of Abstract Syntax Notation One (ASN.1) and provides notation for specifying user-defined constraints, table constraints, and contents constraints.
InterNational Committee for Information Technology Standards [incits]