31 U.S.C. § 7103

(a) The President shall prescribe necessary regulations to carry out section 7101 of this title and to ensure that this chapter is applied by all executive agencies consistently. The regulations may require executive agencies to adopt or prescribe procedures requiring applicants for assistance for a project to be jointly financed under this chapter to take steps to— (1) get the views and recommendations of States and local governments that may be significantly affected by the project; and (2) resolve questions of common interest to those States and local governments before making application. (b) Subject to regulations prescribed under subsection (a) of this section and other law, the head of an executive agency may do the following by an order of the agency head or by agreement with another executive agency: (1) identify related programs likely to be particularly suitable in providing joint financing for specific kinds of projects. (2) to assist in planning and developing a project financed from different programs, develop and prescribe— (A) guidelines; (B) model or illustrative projects; (C) joint or common application forms; and (D) other materials or guidance. (3) review administrative program requirements to identify requirements that may impede joint financing of a project and modify the requirements when appropriate. (4) establish common technical or administrative regulations for related programs to assist in providing joint financing to support a specific project or class of projects. (5) establish joint or common application processing and project supervision procedures, including procedures for designating— (A) a lead agency responsible for processing applications; and (B) a managing agency responsible for project supervision. (c) The head of an executive agency shall— (1) take maximum action to carry out section 7101 of this title in conducting an assistance program of the agency; and (2) consult and cooperate with the heads of other executive agencies to carry out section 7101 of this title in conducting assistance programs of different executive agencies that may be used jointly to finance projects undertaken by States, local governments, or private nonprofit organizations.