Section 18: When a person is deemed to practise as a member of the profession.

(1) Subject to subsection (2) of this section, a person shall be deemed to be actively engaged as a member of the Council if, in consideration of remuneration received or to be received, and whether by himself or in partnership with any other person-
(a) he holds himself out to the public as a scientist under the Act; or
(b) he offers to perform or performs any service involving knowledge of medical laboratory sciences; or
(c) he renders professional service or assistance in or about matters of principle or details relating to medical laboratory science procedure or the processing of data; or
(d) he renders any other service which may by regulations made by the Board, be designated as service constituting practice as a medical laboratory scientist Under this Act.
(2) Subject to the provision of this Act, no person not being a fully registered medical laboratory scientist under this Act shall be entitled to hold any appointment in the Public Service of the Federation or state or 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 profession of medical laboratory sciences for gain.