Amounts apportioned to the state pursuant to subsection (f) of Section 104 of Title 23 of the United States Code shall be identified in the budget of the Transportation Planning and Development Account in the State Transportation Fund. Amounts reimbursed to the state pursuant to subsection (f) of Section 104 of Title 23 of the United States Code shall be deposited in the State Highway Account and credited to the Transportation Planning and Development Account as an expense and reimbursement. All such funds apportioned to the state are continuously appropriated for allocation by the commission from the Transportation Planning and Development Account to metropolitan transportation planning organizations, as defined by federal law and regulations, to perform the metropolitan transportation planning authorized by subsection (f) of Section 104 of Title 23.