(1) Before granting a partial exemption from section 19 (1) of the Act to a public authority under section 21 of the Act the Commission may request that the public authority submit to the Commission, in writing, a supply management business plan which complies with the relevant provisions of the supply policies regarding such plans.

(2) The Commission may approve of a supply management business plan submitted under subsection (1).

(3) A public authority shall manage the supply of goods and services in accordance with any supply management business plan approved in respect of that public authority.