The terms defined herein shall have the meanings hereinafter set forth:

1. (1) "Fiscal year" means the fiscal year upon which the affairs of the State of South Carolina are then being conducted. As of the date of this enactment it is that which begins on July first and ends on June thirtieth of the succeeding calendar year.
2. (2) "Fuel oil tax" means the tax levied pursuant to Chapter 29, Title 12.
3. (3) "Gasoline tax" means the per gallon tax imposed upon gasoline, components thereof or substitutes therefor, pursuant to the provisions of Chapter 27 of Title 12.
4. (4) "Commission" means that agency of government now composed in accordance with the provisions of Articles 3 and 5 of Chapter 3, Title 57, and any other commission or agency of government hereafter exercising the powers granted to the commission pursuant to the provisions of Chapter 3, Title 57.
5. (5) "Highway transportation purposes" means the construction of roads and bridges now or hereafter made a part of the state highway system, or the reconstruction and improvement of highways and bridges now or hereafter made a part of the state highway system and to provide state funds to obtain matching federal highway funds.
6. (6) "Motor vehicle license tax" means the annual tax imposed upon a corporation, an individual, and an owner of a motor and other vehicle pursuant to the provisions of Title 56 and Title 57.
7. (7) "Road tax" means the road tax imposed on motor carriers pursuant to Chapter 31, Title 12.
8. (8) "Sources of revenue" means the gasoline tax, the fuel oil tax, the road tax, and the motor vehicle license tax.
9. (9) "State board" means the State Budget and Control Board of South Carolina.
10. (10) "State highway bonds" means all general obligation bonds of the State of South Carolina designated as state highway bonds, which are now outstanding and which may hereafter be issued pursuant to the authorizations of this article.