Sec. 2641. Congressional declaration of purpose. 2642. Acceleration of public works. (a) Eligible areas. (b) Authority to initiate and accelerate projects; allocation of funds. (c) Grants-in-aid; law governing; amount of Federal contributions. (d) Authorization of appropriations. (e) Rules and regulations; considerations. (f) Restrictions on allocated funds. (g) Limit on allocations available for projects in any one State. (h) Criteria determining substantial unemployment. 2643. Increase of State or local expenditures.