40 CFR 240.203-1 - Requirement.
A plan for the design of new facilities or modifications to existing facilities shall be prepared or approved by a professional engineer. A list of major considerations and the rationale for the decision on each consideration shall be approved by the responsible agency prior to authorization for construction. This information shall remain available for review.
Title 40 published on 2013-07-01
no entries appear in the Federal Register after this date.