Identifier attributes enable accurate identification. They provide uniqueness and promote clarity in identity and differentiation for:

■ business entities

■ business locations

■ products

Multiple instances of Contact Address (123), Contact (126) and Contact Type Code (127) may exist. The Contact Type Code describes the overall business usage and the content of the associated attributes can vary with each instance. In addition, multiple sets of Contact Method Code (134) and Contact Details (135) may be associated with each repeated group.

3.3.1 Contact Type Codes

This table includes the three most commonly used Contact Type Code values.

This section deals with a group of attributes that provide detailed information used to communicate with a contact associated with a product. A contact may represent a range of entities, for example a manufacturer, brand owner, importer, customer or consumer support. Contact information may include a telephone number, email address or web site address and is commonly found on the consumer unit package. In addition, some sellers send information that could appear on business documents, such as invoices and packing slips.

These attributes must be evaluated in conjunction with each other to understand a specific GTIN.

A variety Pack is a predefined pack of two or more trade items that are combined and sold together as a single trade item.