| 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. |
| BM | Accounting Classification Reference Number (ACRN) A reference number identifying the accounting classification. |
| BN | Serial number Identification number of an item which distinguishes this specific item out of a number of identical items. |
| BO | Fund A code identifying a fund. |
| BP | Special Accounting Classification Reference Number (ACRN) A reference number identifying a special accounting classification. |
| BQ | Project A code identifying a project. |
| BR | Transportation Account Code (TAC) A code identifying a transportation account. |
| BS | Financial details A code identifying financial details for accounting. |
| BT | Account manager A code identifying the account manager. |
| BU | Buyer's package identification A package identification number allocated by a buyer. |
| BV | Predecessor constraint Identity number is a predecessor constraint. |
| BW | Successor constraint Identity number is a successor constraint. |
| BX | Batch number Unique number affixed by manufacturer to a batch of products produced under similar conditions. |
| BY | Person identity number The identity number of a person. |
| BZ | Health-care professional identity number The identity number of a health-care professional. |
| CA | Private institution identity number The identity number of a private institution. |
| CB | Public institution identity number The identity number of a public institution. |
| CC | Tree structure The identity number of a structure containing two or more objects linked in a hierarchy. |
| CD | Tree structure subset The identity number of a subset of a structure containing two or more objects linked in a hierarchy. |
| CE | Link set The identity number of a set of links. |
| CF | Organisation chart The identity number of an organisation chart. |
| CG | Healthcare provider number (non-government) Identity number assigned to a healthcare provider by a non-government body. |
| CH | Primary patient identification number Primary number identifying a patient. |
| CI | Insurer identification number A unique identifier assigned to an insurer. |
| CJ | Hospital issued healthcare provider number Identity number of a healthcare service provider issued by a hospital. |
| CK | Healthcare practice identification number Uniquely identifies the practice in which one or more healthcare providers conduct business. |
| CL | Agent identification number A unique identifier assigned to an agent. |
| CM | Insurer group identification number The identification number of the insurer's group. |
| CN | Chassis number Unique number affixed by manufacturer to a chassis for identification purposes. |
| CO | Invoice number Number assigned to the invoice. |
| CP | Account number Account identification number. |
| CQ | Internal control number Control number assigned for internal use. |
| CR | Policy number Number uniquely identifying a policy. |
| CS | Attribute set A set of attributes. |
| CT | Footnote set A set of footnotes. |
| 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 The number on the marking or label. |
| 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. |