Code 2: Promo allowance difference (OI)
DM: Debit Memo Chargebacks
Code 3: Promo cost difference (List Cost)
Code 4: Shortage/damage/do not stock
Code 5: Do not stock
Code 6: Item invoiced/not received (shortage)
Code 7: Overage (PCM)
Code 8: Net total dollar difference
Code 9: Pickup allowance (freight/logistics)