Code indicating general scheduling/shipping arrangements.

If SHH03 or SHH04 is present, SHH02 is required.

Code specifying type of date or time, or both date and time.

SHH02 specifies the interpretation to be used for SHH03 and SHH04.

Date (YYMMDD).

Time expressed in 24-hour clock time (HHMM, time range: 0000 though 2359).