All purchases, contracts or agreements, where the cost or contract price is less than or equal to the threshold amount, may be made, negotiated or awarded by ACCCA without advertising and in any manner which ACCCA, in its sole discretion, deems necessary and, where practicable, consistent with the promotion of full and free competition. Methods of award, contract or negotiation may include, without limitation, acceptance of price quotations, telephone solicitation or request for proposals.
N.J. Admin. Code § 12A:130-1.3