On April 7, 2010, sections 2, 15, 16, 17, 19, 22 and 23 of the Adjudicative Tribunals Accountability, Governance and Appointments Act, 2009 came into force, along with O. Reg 126/10 created pursuant thereto. These sections of the Act deal with the Tribunal Clustering envisioned in the Act and the ability to promulgate regulations under the Act.
O. Reg 126/10 prescribes the agencies, boards, and commissions for the purposes of the definition of "adjudicative tribunal" in the Act, as well as designates the following adjudicative tribunals as a cluster:
1. Assessment Review Board.
2. Board of Negotiation.
3. Conservation Review Board.
4. Environmental Review Tribunal.
5. Ontario Municipal Board.