TITLE 39 - POSTAL SERVICE

CHAPTER I - UNITED STATES POSTAL SERVICE

SUBCHAPTER K - ENVIRONMENTAL REGULATIONS

PART 776 - FLOODPLAIN AND WETLAND PROCEDURES

subpart b - FLOODPLAIN MANAGEMENT

776.6 - Design requirements for construction.

If structures impact, are located in, or support development in a floodplain, construction must conform, at a minimum, to the standards and criteria of the National Flood Insurance Program (NFIP), except where those standards are demonstrably inappropriate for postal purposes.