(a) Procurement in Accordance with Requirements. When the public procurement unit or external procurement activity administering a cooperative purchase complies with the requirements of this subchapter, any public procurement unit participating in such a purchase shall be deemed to have complied with this subchapter.
(b) When a public procurement unit or external procurement activity not subject to this subchapter administers a cooperative purchase for a public procurement unit subject to this subchapter, then the State Procurement Director must determine in writing that the procurement system and remedies procedures of the public procurement unit or external procurement activity administering the procurement substantially meet the requirements of this subchapter.