((a)) ** Definition of designated Federal grant program** In this section, the term “designated Federal grant program” means any Federal grant program that—
((1)) provides assistance in the construction or equipping of public works, public service, or development facilities;
((2)) the Secretary designates as eligible for an allocation of funds under this section; and
((3)) assists projects that are—
((A)) eligible for assistance under this subchapter; and
((B)) consistent with a comprehensive economic development strategy.
((b)) ** Supplementary grants** Subject to subsection (c), in order to assist eligible recipients in taking advantage of designated Federal grant programs, on the application of an eligible recipient, the Secretary may make a supplementary grant for a project for which the recipient is eligible but for which the recipient cannot provide the required non-Federal share because of the economic situation of the recipient.
((c)) ** Requirements applicable to supplementary grants**
((1)) ** Amount of supplementary grants** The share of the project cost supported by a supplementary grant under this section may not exceed the applicable Federal share under .section 3144 of this title
((2)) ** Form of supplementary grants** The Secretary shall make supplementary grants by—
((A)) the payment of funds made available under this chapter to the heads of the Federal agencies responsible for carrying out the applicable Federal programs; or
((B)) the award of funds under this chapter, which will be combined with funds transferred from other Federal agencies in projects administered by the Secretary.
((3)) ** Federal share limitations specified in other laws** Notwithstanding any requirement as to the amount or source of non-Federal funds that may be applicable to a Federal program, funds provided under this section may be used to increase the Federal share for specific projects under the program that are carried out in areas described in above the Federal share of the cost of the project authorized by the law governing the program.section 3161(a) of this title