derivedDataType MtasUTCOffsetDT

EcimDerivedString at minimum 0 and maximum 6 characters (+/-hh:mm), in the following regexp format: [-+]([0-1][0-9]|2[0-3]):[0-5][0-9]|^$

References from:
MtasMmtCal; VtasMmtCal;
stringMtasUTCOffsetDT

Valid values: [-+]([0-1][0-9]|2[0-3]):[0-5][0-9]|^$
  derivedDataType MtasUTCOffsetDT