All receipts received by the treasurer of state on account of the department and required by the applicable bond proceedings to be deposited, transferred, or credited to the bond service fund or bond service reserve fund established by such bond proceedings shall be transferred by the treasurer of state to such fund, whether or not such fund is in the custody of the treasurer of state, without necessity for further appropriation. The treasurer of state may covenant in the bond proceedings that so long as any obligations are outstanding to which receipts credited to the fund are pledged, the state and the department shall neither reduce the prices charged pursuant to section 5120.28 of the Revised Code nor the level of manpower collectively devoted to the production of goods and services for which prices are set pursuant to section 5120.28 of the Revised Code, which covenant shall be controlling notwithstanding any other provision of law; provided, that no covenant shall require the general assembly to appropriate money derived from the levying of excises or taxes to purchase such goods and services or to pay rent or bond service charges.
R.C. §5120.29