All sections, provisions and clauses of this chapter which were repugnant to or inconsistent with the provisions of the former Public Works Administration Act of the Congress of the United States are hereby declared void in so far as they were in conflict with the Public Works Administration Act, the intention of this chapter being to enable the political subdivisions of this State to qualify for any right, privilege or immunity granted by any act of the Congress of the United States or any board, commission, agency or instrumentality thereof.