The teacher legacy pension stabilization reserve trust is created. The teacher legacy pension stabilization reserve trust fund shall be established and funded through a mechanism and methodology as shall be determined in the future by the commissioner of finance and administration and the state treasurer. The trust and the funds therein shall be administered by the department of the treasury. The trust fund shall be an irrevocable trust exclusively for the benefit of teachers who are members of the legacy plan. The assets of the trust fund shall be preserved, invested, and expended solely pursuant to and for the purposes of this part and shall not be loaned or otherwise transferred or used for any other purpose. It shall be impossible, at any time prior to the satisfaction of all liabilities with respect to teachers and their beneficiaries under the legacy pension plan and this trust, for any part of the corpus or income of the trust to be used or diverted for purposes other than for the exclusive benefit of the teachers or their beneficiaries. The attorney general and reporter shall approve the terms of the trust instrument.