Used for (multiple) attribute Operation. [Format: a1] Create Delete Update null [Format: an2] January February March April May June July August September October November December Used for attributes that can have a positive or a negative value. [Format: n1] NO YES - Subset of the UN/EDIFACT generic error table. - For remarks on the codes : see DDNTA Sec. VII. [Format: n2] Incorrect (code) value Missing Value not supported in this position (code value constraint) Not supported in this position Invalid decimal notation Duplicate detected Too many repetitions Invalid type characters Missing digit in front of decimal sign Element too long (length constraint) Element too short (length constraint) Unknown MRN Duplicate MRN Message out of sequence Invalid MRN Used for CUSTOMS OFFICE LSD. [Format: an1] Simple office (see box A in Customs Office List) Higher authority (see box E in Customs Office List) Used for the attribute SYSTEM UNAVAILABILITY.System Unavailability Type. [Format: a1] Business service not implemented Scheduled Unavailability Unscheduled Unavailability null [Format: n1] Monday Tuesday Wednesday Thursday Friday Saturday Sunday null [Format: n..2]