; (2) evaluate whether the rule is inconsistent, incompatible, or duplicative with other regulations issued by the Secretary; and (3) consider whether the estimated benefits and costs of the rule increase or decrease as a result of other regulations, issued by the Secretary, that are not yet fully implemented, compared to the benefits and costs of the rule in the absence of such regulations. (e) Certification Before the Secretary issues a proposed rule or a final rule under this subtitle, the head of the Office of Regulation in the Office of General Counsel, in consultation with the Office of the Chief Economist (or successor offices), shall— (1) certify compliance with subsections (b), (c), and (d)