一、前言探讨政策环境影响评估(本文以下简称“政策环评”)于宪法上的意义,原因在于环评制度若系属行政法各论的法领域范围,且以体系解释而言,行政法的法规范自应符合宪法上的一致性要求,亦即行政法是基于宪法来对成文与不成文之行政法(理)为体系及结构上之说明与阐释,宪法秩序对行政法有其法体系上的要求;再者,就政策 I. Preface To discuss the constitutional significance of policy environmental impact assessment (hereinafter referred to as “policy EIA”) because the EIA system falls within the scope of the law of administrative law and the system of law The law should be self-consistent with the constitutional requirements of consistency, that is, the administrative law is based on the Constitution to the written and unwritten administrative law (reason) as the system and structure of the description and interpretation of the constitutional order of administrative law has its own method System requirements; again, on policy