B.__For a school administrative district or community school district composed of more than one municipality, each municipality's contribution to the total cost of education is the lesser of:

(1)__The municipality's total cost as described in subsection 2; and

(2)__The total of the full-value education mill rate calculated in section 15671-A, subsection 2 multiplied by the property fiscal capacity of the municipality.

C.__For a school administrative district or community school district composed of more than one municipality, the unit's contribution to the total cost of education is the lesser of:

(1)__The total cost as described in subsection 1; and

(2)__The sum of the totals calculated for each member municipality pursuant to paragraph B, subparagraph (2).

D.__The state contribution to the school administrative unit's total cost of education is the total cost of education calculated pursuant to subsection 1 less the school administrative unit's contribution calculated pursuant to paragraph A or C, as applicable.__The state contribution is subject to reduction in accordance with section 15690, subsection 1, paragraph C.

Sec. D-57. 20-A MRSA §15688, sub-§4, as enacted by PL 2003, c. 712, §17, is amended to read:

4. Method of cost sharing; exception. For the purpose of local cost sharing, the provisions of subsection 3 3-A do not apply to municipalities that are members of a school administrative district or a community school district whose cost sharing formula was established pursuant to private and special law prior to January 1, 2004. For each municipality that is a member of a school administrative district or a community school district whose cost sharing formula was established pursuant to private and special law prior to January 1, 2004, the cost sharing formula established pursuant to private and special law determines each municipality's local cost of education.

Sec. D-58. 20-A MRSA §15689, sub-§1, as enacted by PL 2003, c. 712, §17, is repealed and the following enacted in its place: