Rules:
- Completed applications for membership must be submitted to the Secretary-Treasurer no later than three months before the Executive Business Meeting held during a biennial Congress.
- An application fee of US$75 is payable at the time of application.
- Associate members may submit a request in writing to the Secretary-Treasurer for a change in membership category. There is a fee of $50 to upgrade from Associate to Active member.
- All new members shall be sent a certificate of membership signed by the President and Secretary-Treasurer.