id	definition
AMT	Fixed Amount Discount
CSH	% Discount for Cash Payment
DOR	Cash Discount per Units Ordered
DPU	Cash Discount per Units Purchased
DSH	Cash Discount per Units Shipped
DSV	Cash Discount per Service
POR	% Discount per Units Ordered
PPU	% Discount per Units Purchased
PSH	% Discount per Units Shipped
PSV	% Discount per Service
UNT	Additional Units per Units Purchased
ZZZ	Mutually Defined