Section 15: Proof of validity of certificate.

(1) A certificate required by any written law from any class of persons for whom a register is maintained under this Act, shall not be valid unless the person signing it is registered in accordance with this Act.
(2) Subject to the provisions of this section, a person not exempted, shall not hold an appointment requiring status of a Professional Counsellor under this Act in the public and civil service of the Federation, State or in the Armed Forces of the Federation or public or private limited or unlimited liability organisations, unless he is a Counsellor registered under this Act.
(3) A Counsellor shall, to the extent only of his particular qualification, be entitled to practice as a registered Counsellor throughout the Federation.
(4) A person in charge of any university in the Federation, offering courses leading to an approved qualification intended for persons who are seeking to become registered as Professional Counsellors under this Act shall furnish the Registrar, not later than 31 March in every year, with a list of the names and such other particulars as the Council may specify, of all persons who attended any course at the university in question at any time during the preceding year.
(5) In this section, "public service" includes services as a registered Professional Counsellor in or with any educational institution, commission, corporation or state.