a. Notwithstanding the provisions of any other law to the contrary, the Director of the Division of Purchase and Property in the Department of the Treasury, the Director of the Division of Property Management and Construction in the Department of the Treasury, or any State agency having authority to contract for the purchase of goods or services, shall whenever possible give preference to wood or paper products derived from sustainably managed forests or procurement systems when entering into or renewing a contract for the purchase of such goods or related services. Any preference provided pursuant to this subsection may not supersede any preference given to recycled paper and paper products pursuant to P.L. 1987, c.102 (C.13:1E-99.11 et seq.). In preparing the specifications for any contract for the purchase of goods and services the Director of the Division of Purchase and Property, the Director of the Division of Property Management and Construction, or any State agency having authority to contract for the purchase of goods or services shall include in the invitation to bid, where relevant, a statement that any response to the invitation that proposes or calls for the use of wood or paper products derived from sustainably managed forests or procurement systems shall receive preference whenever possible.