(i)__Fiscal capacity;

(ii)__Enrollment demographics; and

(iii)__Any unforeseen circumstances not within the control of the school administrative unit.

The state board's decision is final.

(b) A school administrative unit engaged in a lease-purchase agreement for temporary interim nonadministrative space is eligible for state support for a maximum of 10 years; and

(3) Permanent small nonadministrative space that replaces or is converted from existing approved leased portable space. The existing leased portable space will be eligible for state support until July 1, 2003. Once an existing leased portable space has been converted into a permanent nonadministrative space through an approved lease-purchase agreement, such space is eligible for state support for a maximum of 10 years.

The Department of Education shall adopt rules necessary to implement this paragraph. Rules adopted by the Department of Education to implement this paragraph are major substantive rules pursuant to Title 5, chapter 375, subchapter II-A 2-A;