Field help (DEP2) 

Code used by default for the current BP to identify a series of early discount and late charge rates (up to 12) to be applied to a payment according to a number of days early or days late with respect to the open item date.
Only a discount code consistent with the legislation and company group of the document site can be entered.
SEEREFERTTOThe general principles linked to the multi-legislation setup are detailed in the GRPLEG field help.