Relating to preferences in public contracting for prospective contractors that meet certain requirements with respect to procuring conflict minerals; and prescribing an effective date.

Requires prospective contractor to state in bid or proposal for public contract whether and extent to which prospective contractor will use conflict minerals in performing public contract and whether prospective contractor's disclosures, policies, practices and procedures with respect to procuring conflict minerals comply with Organization for Economic Cooperation and Development's Due Diligence Guidance for Responsible Supply Chains of Minerals from Conflict-Affected and High-Risk Areas. Requires contracting agency to give preference to prospective contractor that complies with provisions in guidance document. Permits contracting agency to give additional weight in evaluating bid or proposal to prospective contractor with most thorough description of disclosures, policies, practices and procedures. ] Requires state contracting agency to give preference to each prospective contractor that meets requirements of Act to extent that procurement requires or will use conflict minerals. Becomes operative January 1, 2020 ] 2021 . Takes effect on 91st day following adjournment sine die.