To indicate the beginning of the commission sales report transaction set and transmit reporting period dates
Code identifying purpose of transaction set.
The only valid code for BSC01 is ``00 - Original.''
Date (YYMMDD).
BSC02 is the application transaction creation date.
Date (YYMMDD).
BSC03 is the reporting period start date.
Date (YYMMDD).
BSC04 is the reporting period end date.
