# Code number > Code number means a registered identifier associated with [product or process] **Term:** Code number **Last updated:** 2026-07-29 ## Definition ## What Code number Means in a Contract In a contract, a code number is a specific alphanumeric or numeric string assigned to a product, component, service, process, or account so that the parties can identify it without confusion. Rather than relying on a lengthy narrative description each time an item is mentioned, the parties agree that a particular code number will consistently refer to that item throughout the agreement and any related documents. This is especially common in manufacturing, procurement, and technology contracts where multiple similar products or process steps exist and must be distinguished clearly. The code number typically appears in a schedule, annex, or specification document attached to the main agreement, and the contract body will refer back to it by name. Because the code number functions as a shorthand reference, its accuracy is critical. If the wrong code number is used, or if it is not properly defined, the parties risk delivering, invoicing, or regulating the wrong goods or process entirely. ## How Code number Is Defined or Measured A code number is usually defined by reference to an external system, such as a manufacturer's catalogue, an industry classification standard, a regulatory register, or an internal company database. The definition clause will often state that the code number corresponds to a specific entry in that system, and that any update to the entry (for example, a revised specification) will be reflected by a new or amended code number. In some agreements, particularly those governed by a