| A | Allowance Code specifying an allowance. | 
| B | Total other The total for items other than those primarily reported upon in the message. | 
| C | Charge Code specifying a charge. | 
| D | Allowance per call off Code specifying a call off allowance. | 
| E | Charge per call off Code specifying a charge per call off. | 
| F | Allowance message Allowance is related to the entire message. | 
| G | Allowance line items Allowance is related to all line items in a message as a default allowance. It may be overridden per line item. | 
| H | Line item allowance Allowance is related to a line item. It can override a default allowance. | 
| J | Adjustment Code specifying that the allowance or charge is due to an adjustment. | 
| K | Charge message Charge is related to the entire message. | 
| L | Charge line items Charge is related to all line items in a message as a default charge. It may be overridden per line item. | 
| M | Line item charge Charge is related to a line item. It can override a default charge. | 
| N | No allowance or charge No increases or reduction in price (list or stated) are included. | 
| O | About To be construed as allowing a difference not exceeding 10 % more or 10 % less than the amount which it refers. | 
| P | Minus (percentage) The lesser value expressed in percentage. | 
| Q | Minus (amount) The lesser value expressed in amount. | 
| R | Plus (percentage) The greater value expressed in percentage. | 
| S | Plus (amount) The greater value expressed in amount. | 
| T | Plus/minus (percentage) The greater/lesser value expressed in percentage. | 
| U | Plus/minus (amount) The greater/lesser value expressed in amount. | 
| V | No allowance Code specifying that there is no allowance. | 
| W | No charge Code specifying that there is no charge. | 
| X | Maximum Highest possible value; maximum; not exceeding; up to. | 
| Y | Exact Indicates that this is the exact amount. |