SIOPSA membership cycle runs from 1 January to 31 December.
Affiliates shall be persons interested in Industrial or Organisational Psychology as a science and / or profession.
International Affiliates shall be persons living abroad who are members of an acknowledged other national psychological society or association outside of South Africa and / or who can produce proof of qualifications as required by the Executive Committee.
A prospective member shall apply in writing or any other formally approved means of communication on the prescribed form to the Secretary of the Society and such application shall be considered in accordance with the constitution of the Society.
All members of the Society shall be liable for the prescribed membership fees. A member whose membership fees remains in arrears for three months shall be liable for termination of membership. A member may terminate his or her membership by written notice to the Secretary of SIOPSA. Upon termination of membership, paid-up membership fees shall not be refundable. Members shall belong to the highest category of membership for which they qualify, as determined in the constitution.