(2) No architect shall accept any commission or substantial service or favour from any person who has contracted to execute or is engaged in the execution of any work in connection with any building designed or supervised by such architect, or from any person who has offered or agreed to supply any materials, fittings, or appliances to be used in or in connection with such building.
(3B) *[Section 19 Subsection (3B) inserted by No. 59 of 1970, s. 8 ]*Nothing in subsection (3A) affects the use of the expressions "engineer", "structural engineer", "architectural draughtsman", "architectural designer", "master builder", "builder", or other expression in use before the commencement of this subsection to describe members of the engineering profession or persons in the building industry having qualifications generally understood to be other or lower than those of architects.
(5) *[Section 19 Subsection (5) inserted by No. 59 of 1970, s. 8 ]*Nothing in this section affects –
(a) naval architects or landscape architects in respect of their respective professions; or
(b) a person practising architecture as an employee of the Crown or the Commonwealth at the commencement of the Architects Act 1970, while continuing so to practise.