Section 17: Appointment not to be held by unregistered person.

(1)
Subject to the provisions of this Act, a person who is not registered in accordance with this Act, shall not be entitled to hold any appointment in the public service of the Federation or of a State or in any public or private establishment, body or institution, if the holding of such appointment involves the performance by him in Nigeria of any act pertaining to the relevant profession for gain.
(2)
Nothing in this section or in any other provision of this Part of this Act shall prevent a person from holding any appointment referred to in subsection (1) of this section while he is undergoing training for the purpose of becoming qualified for registration under this Act under the supervision of persons who are registered in accordance with this Act.