7. A loan may be granted for one or more of the following purposes:(1) improvement of the land;
(2) purchase or repair of farm implements, agricultural tools or machinery and farm equipment, including a farm tractor and any other motor vehicle authorized by regulation;
(3) purchase of breeding stock;
(4) purchase, erection or improvement of farm buildings;
(5) construction and organization of a fattening station;
(6) installation or improvement of a drinking-water supply system;
(7) installation or improvement of electric wiring;
(8) purchase of contingents and quotas in the cases and according to the conditions provided for by regulation;
(9) purchase of additional land;
(10) repayment of the balance on an existing loan in the case provided for in section 10.