Upon the written request of the governments that designated and approved an area that has been designated as an enterprise zone under section 11501 of this title, the Secretary of Housing and Urban Development (or, with respect to any rule issued under title V of the Housing Act of 1949 [42 U.S.C. 1471 et seq.], the Secretary of Agriculture) may, in order to further the job creation, community development, or economic revitalization objectives of the zone, waive or modify all or part of any rule that the Secretary has authority to promulgate, as such rule pertains to the carrying out of projects, activities, or undertakings within the zone.