||A classification code used to categorize promotion offer types. Examples include:
PRC_REC - Price reduction through a percent or flat amount discount
BOGO - Buy one get one (or more generally buy qty of N and get M for X$
MIX_MATCH - Buy X and get one of Y,Z,A for M$
PRC_MTCH - Price match a lower competitor price (markdown set based on delta between retailer and competitor price
GIVEAWAY - Item or stored value media given to customer
COUPON - A coupon that is treated as tender resuting in a discount. USUALLY debited as an AR when paid for by a supplier or other 3rd party
REBATE - A payment or credit given to a customer on a deferred basis (although some retailers offer "instant" rebates that behave more like discounts). Rebates are often sponsored by suppliers or other parties outside the retail enterprise.
OTHER - Anything else
This list is a starting point for retailers.