(a) The proceeds of the taxes authorized herein collected each month by the county, after any deductions for cost of collection, shall be distributed at such times as shall be directed by the county commission in the priority and respective amounts set forth below:

(1) First, for so long as any refunding school warrants are outstanding and are not defeased or otherwise fully paid, so much of the proceeds received during a fiscal year of the county as may be necessary to satisfy the county's obligations with respect to the refunding school warrants, including payment of the principal of, premium, if any, and interest on the refunding school warrants due during such fiscal year of the county, any ongoing expenses of administration of the refunding school warrants, amounts required to be deposited in any debt service reserve fund for the refunding school warrants, and amounts necessary to provide for payment of rebate, if any, or other amounts due to the United States, shall be paid over to the trustee or paying agent for the refunding school warrants to be held in a fund or funds solely for payment of such amounts due with respect to the refunding school warrants. The portion of the taxes authorized herein and required to be paid over to the trustee or paying agent for the refunding school warrants shall be segregated from all other receipts from the taxes authorized herein, shall be devoted solely to the payment of amounts due with respect to the refunding school warrants, and shall not be available to pay general governmental expenses of the county.

(2) Second, to the extent that there remain additional proceeds of the taxes authorized to be levied herein following the applications authorized in subdivision (1), such remaining additional proceeds, up to thirty-six million three hundred thousand dollars ($36,300,000) per fiscal year of the county, shall be deposited into the general fund of the county for use and appropriation as the county commission shall determine in its discretion.

(3) Third, to the extent that there remain additional proceeds of the taxes authorized to be levied herein following the applications authorized in subdivisions (1) and (2), such remaining additional proceeds, up to eighteen million dollars ($18,000,000) per fiscal year of the county, shall be deposited into the 2015 Sales Tax Fund. Funds on deposit in the 2015 Sales Tax Fund shall be distributed in accordance with the provisions of Section 45-37-249.09.

(4) Fourth, to the extent that there remain additional proceeds of the taxes authorized to be levied herein following the applications authorized in subdivisions (1), (2), and (3), such remaining additional proceeds, up to three million six hundred thousand dollars ($3,600,000) per fiscal year of the county, shall be deposited in the Jefferson County Community Service Fund to be expended as provided in Section 45-37-249.10.

(5) Fifth, to the extent that there remain additional proceeds of the taxes authorized to be levied herein following the applications authorized in subdivisions (1), (2), (3), and (4), such remaining additional proceeds, up to two million dollars ($2,000,000) per fiscal year of the county, shall be paid over to the Birmingham-Jefferson County Transit Authority for each of the first 10 fiscal years of the county following the adoption of this part, and thereafter up to one million dollars ($1,000,000) per fiscal year of the county.

(6) Sixth, to the extent that there remain additional proceeds of the taxes authorized to be levied herein following the applications authorized in subdivisions (1), (2), (3), (4), and (5), such remaining additional proceeds, up to five hundred thousand dollars ($500,000) per fiscal year of the county, shall be paid over to Birmingham Zoo, Inc.

(7) Seventh, to the extent that there remain additional proceeds of the taxes authorized to be levied herein following the applications authorized in subdivisions (1), (2), (3), (4), (5), and (6), such remaining additional proceeds, shall be deposited into the general fund of the county for use and appropriation as the county commission shall determine in its discretion.

(b) The amounts specified in subdivisions (1) through (6) shall be paid and distributed in full so long as the proceeds of the taxes authorized to be levied herein are sufficient for such purposes.