Mass. Gen. Laws ch. 70B, § 15
(b) In the event an eligible applicant sells or leases an assisted structure or if the assisted structure was not used as a schoolhouse for at least half of the preceding fiscal year, the amount of outstanding grant payments remaining after reductions under the provisions of subsection (a), shall be deducted from each city, town or regional school district's cherry sheets, so-called, as an assessment in accordance with the provisions of section 21 of chapter 59, according to a schedule agreed to between the city or town and the authority; provided, however, that at the discretion of the authority, deductions authorized from said cherry sheets under the provisions of this subsection may be waived for an assisted structure or facility which has been removed from use as a schoolhouse by a city, town or regional school district, pursuant to a plan approved by said city, town or regional school district and the authority, which provides for the reuse of the assisted structure or facility as a schoolhouse within two years of the adoption of the plan or prior to the expiration of the term of any bonds or notes issued to finance the project for which the grant was approved, whichever is the earliest.
Before the sale or lease of an assisted structure or facility or a portion of that structure or facility, the school district in control of the structure or facility shall submit to the authority a district-wide school facility use plan that shall include, but not be limited to, a listing of all school facilities under the control of the school district, a detailed description of both the current use and proposed use of each school facility, the most recent enrollment data, by school facility, then available to the school district, a detailed floor plan of each school facility that shows and labels each space in the facility and whether it is used as a classroom or has some other use and any other information that may be required by the authority to understand the district's school facility use plan. If the plan includes the closure, sale or lease of a school facility or any part of a school facility, the authority may conduct, with the full cooperation of the district, an analysis of district-wide enrollment capacity and future enrollment trends for the district. If the capacity analysis and enrollment projection indicate an extended period of significant excess capacity within the district's educational facilities, the district may, prior to consideration of any other disposition of the identified excess capacity, make a good faith offer to sell or lease at fair market value the identified excess capacity to a commonwealth charter school established pursuant to section 89 of chapter 71 or an applicant for a commonwealth charter school pursuant to said section 89 of said chapter 71 that serves or is seeking to serve students who live in the school district. The authority shall not recapture commonwealth and authority assistance for any such excess capacity that is sold or leased to a commonwealth charter school or applicant for a commonwealth charter school.