Prior to receiving any funds pursuant to this subchapter the government of Guam shall submit to the Secretary of the Interior a plan for the use of such funds which meets the requirements of this section and is approved by the Secretary. The plan shall designate an agency or agencies of such government as the agency or agencies for the administration of the plan and shall set forth the policies and procedures to be followed in furthering the economic development of Guam through a program which shall include and make provision for loans and loan guarantees to promote the dev