7. Section 15 of the Principal Act is amended—
(a) by omitting subsection (1) and substituting the following subsections:
“(1) The amount of rent to be charged in relation to rental housing assistance under a housing assistance program shall be an amount equivalent to market rent.
“(1A) A reference in subsection (1) to market rent, in relation to a property at a particular time, shall be read as a reference to the rent which would be payable if the property were then let by a willing landlord to a willing tenant—
(a) who had dealt with each other at arm's length; and
(b) each of whom had acted knowledgeably, prudently and without compulsion.”;
(b) by omitting from subsection (2) “a rate or” and substituting “the”; and
(c) by omitting from subsection (3) “a rate or” and substituting “an”.