Section 19: Membership of the Institute

(1) Membership of the Institute shall be open only to persons who are citizens of Nigeria and to non-Nigerians on the recommendation of the Council and approval of the President.
(2) The members of the Institute shall promote and undertake such things as may be deemed necessary for the attainment of the objects of the Institute.
(3) Subject to any regulations made in this Act, any person who immediately before the appointed day was a member of the Institute shall on that day become a member of the Institute under this Act.