§ 421c — Conditions Of Loan For Distribution And Drainage Systems; Reconveyance By Secretary Of Lands, Interests In Lands, And Distribution Works Heretofore Conveyed To The United States; Conditions Of Reconveyance; Rights Of Way

and 524 of title 16, sections 323 to 328 of title 25, section 8124 of title 38, or sections 931a to 931d, 946 to 950, 956, and 959 1 of this title, or any other similar Act which is applicable to the lands involved: Provided, That no such permission shall be granted in the case of lands being administered for national park, national monument, or wildlife purposes.