| AA | House bill of lading A number that is used to identify goods from a freight forwarder/consolidator. | 
| AB | 1st structure element name The first element in a series of elements that together define the structure of an object. | 
| AC | 2nd structure element name The second element in a series of elements that together define the structure of an object. | 
| AD | 3rd structure element name The third element in a series of elements that together define the structure of an object. | 
| AE | 4th structure element name The fourth element in a series of elements that together define the structure of an object. | 
| AF | 5th structure element name The fifth element in a series of elements that together define the structure of an object. | 
| AG | 6th structure element name The sixth element in a series of elements that together define the structure of an object. | 
| AH | 7th structure element name The seventh element in a series of elements that together define the structure of an object. | 
| AI | 8th structure element name The eighth element in a series of elements that together define the structure of an object. | 
| AJ | 9th structure element name The ninth element in a series of elements that together define the structure of an object. | 
| AK | Data set The identity of a data set. | 
| AL | Kanban card number Reference number assigned by a consignee to a Kanban card. | 
| AM | Level number Level number in a hierarchy or other structure. | 
| AN | Manufacturing reference number A unique number identifying a particular assembly or other manufacturing process. | 
| AO | Position number in package A number to identify the position within a package according to agreed rules between partners. | 
| AP | Product A name or number which identifies a product. | 
| AQ | Release number Number assigned to a release. | 
| AR | Statistical concept Statistical concept. | 
| AS | Table A table of items e.g. figures and text represented in rows and columns. | 
| AT | Transport packing group number Number identifying a group of articles in a predescribed unit load for shipment/dispatch as agreed between partners. | 
| AU | Value list A coded or non coded list of values. | 
| AV | Value list subset A subset of a coded or non coded list of values. | 
| AW | Serial shipping container code A single unique serial number which identifies shipping containers or shipping packages. | 
| AX | Case number A code to identify the number assigned to a given case. | 
| AY | Financial security identification number Identification number of a financial security. | 
| AZ | Compact disk player security code number The security code number of the compact disk player. | 
| BA | Question in questionnaire The identity number of a question in a questionnaire. | 
| BB | Questionnaire The identification of a questionnaire. | 
| BC | Check digit The check digit of the primary number. | 
| BD | Vehicle telephone identification number The number which identifies the telephone equipment fitted to the vehicle. | 
| BE | Batch excluded Products manufactured in Batch not to be included in consignment. | 
| BF | Door key number The number on the key that fits the door lock. | 
| BG | Fleet number The number of the fleet to which a vehicle is assigned. | 
| BH | Ignition key number The number on the key that fits the ignition lock. | 
| BI | Radio security code number The security code number of the radio. | 
| BJ | Serial shipping container code Serial code uniquely identifying a shipping container. | 
| BK | Fleet vehicle unit number The unit number of the vehicle within the fleet allocated by the fleet operator. | 
| BL | Vehicle registration number The registration number of the vehicle. | 
| BN | Serial number Identification number of an item which distinguishes this specific item out of a number of identical items. | 
| BX | Batch number Unique number affixed by manufacturer to a batch of products produced under similar conditions. | 
| CN | Chassis number Unique number affixed by manufacturer to a chassis for identification purposes. | 
| EE | Engine number Unique number affixed by manufacturer to an engine for identification purposes. | 
| EM | Emulsion number Manufacturer assigned reference to a photographic product indicating sensitivity. | 
| IL | Invoice line number Sequential numerical assignment to identical invoiced goods which are subject to the same conditions of sale. | 
| ML | Marking/label number | 
| PN | Part number Manufacturer-assigned reference to a product part. | 
| SC | Secondary Customs tariff number Indicate (e.g. in segment GIR) the secondary (sub-) level of a Customs tariff number. | 
| VV | Vehicle identity number Unique serial number assigned by the manufacturer that distinguishes one vehicle from another. |