Amending the Federal Farm Loan Act, as amended, to authorize loans through national farm-loan associations in Puerto Rico; to modify the limitations on federal land-bank loans to any one borrower; to repeal provisions for subscriptions to paid-in surplus of federal land banks and cover the entire amount appropriated therefor into the surplus fund of the Treasury; to effect certain economies in reporting and recording payments on mortgages deposited with the registrars as bond collateral, and canceling the mortgage and satisfying and discharging the lien of record.