act Dec. 5, 1924, ch. 4, § 443 Stat. 702Section 473, , subsec. F, , related to payment of project construction charges in installments after .
act Dec. 5, 1924, ch. 4, § 443 Stat. 702Section 474, , subsec. F, , related to modification of contracts existing prior to , in respect to payment of construction charges.