Section title: Forms

Request to Establish ECO or CMG Constituent Status

Submit this form to register an X12 member or non-member's interest in being recognized as a constituent of the External Code Organization (ECO) or as a constituent of a Code Maintenance Group (CMG) with a commitment to active participation. For more information, see External Code List (CAP12). For X12 members, the form must be completed by the X12 member's primary representative.

Fields marked with an asterisk (*) are required