About the MLT

About MLT

The Mining and Lands Tribunal (MLT) is an independent adjudicative tribunal responsible for hearing and deciding matters under legislation administered by the Ministry of Northern Development and Mines (MNDM) and the Ministry of Natural Resources and Forestry (MNRF). These matters can include the resolution of mining and lands disputes and appeals of decisions made by conservation authorities, which involve property owners who want to develop lands in floodplains and wetlands.

History of MLT

The MLT was previously known as the Office of the Mining and Lands Commissioner, under the Ministry of Natural Resources and Forestry (MNRF). On April 3, 2018, it was renamed the MLT, and joined Environment and Land Tribunals Ontario (ELTO) as its sixth tribunal.

With origins dating back to 1906, the purpose of establishing a Mining Commissioner was to resolve disputes under provincial mining legislation. In carrying out its functions under the Mining Act, the Mining and Lands Commissioner had exclusive jurisdiction over any matter arising under the Mining Act, and proceedings involving private civil and property rights, relating to or arising out of matters governed by the Mining Act.

Over time, additional powers and duties were assigned to the Commissioner, who became the Mining and Lands Commissioner, to make decisions on matters under a number of other statutes, including the Conservation Authorities Act, the Oil, Gas and Salt Resources Act, the Aggregate Resources Act, the Lakes and Rivers Improvement Act, and the Assessment Act

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