Membership of the IECQ System is open to any country whose industries have an interest in the day-to-day operations of the IECQ and who may have certification bodies that wish to participate in the IECQ System and be given the right to issue international IECQ certificates. 

Membership of the IECQ System is open to any country in which there is a full or associate member National Committee of the IEC, as defined in Article 4 of the Statutes of the IEC.

Membership of the IECQ System is also open to non-IEC countries, subject to the concurrence of the IEC Executive Committee (ExCo) regarding general IEC policy and satisfaction of the specific requirements for membership, as set out in IECQ System management Basic Rules (IEC CA 01 + IECQ 01-S).

The IECQ System member bodies nominated by full or associate member National Committees or from non-IEC member countries are entitled to participate fully in the committees and activity of the IECQ System, except that representatives of IEC associate members and of non-IEC member countries are not eligible for any officer position.

Countries wishing to become a member of the IECQ System and be part of the IECQ Management Committee (MC) in accordance with IECQ System management Basic Rules (IEC CA 01 + IECQ 01-S) are required to complete an application form (Form MB Application).