The said fund hereby created shall be used and expended by the Commissioner of Conservation and Natural Resources in furtherance of the preservation, protection, propagation and development of wild birds, wild fur-bearing animals, game, fish and all other species of wildlife within the state or within the territorial jurisdiction of the state which have not been reduced to private ownership and, when so expended, shall be paid out on the requisition of the Commissioner of Conservation and Natural Resources and charged to said fund. All necessary expenses of the Division of Wildlife and Freshwater Fisheries of the Department of Conservation and Natural Resources, including its pro rata portion of the administrative expense of said Department of Conservation and Natural Resources, shall likewise be paid out of said fund on the requisition of the Commissioner of Conservation and Natural Resources; provided, that no funds shall be withdrawn nor expended for any purpose whatsoever unless the same shall have been allotted and budgeted in accordance with the provisions of Article 4 of Chapter 4 of Title 41 of this code and only in the amounts and for the purposes provided by the Legislature in the general appropriation bill.