In Yatar v. TD Insurance Meloche Monnex (Ont CA, 2022) the Court of Appeal illustrates the statutory standing right of the AG in judicial reviews:
[2] The Attorney General of Ontario has requested, and I have granted, leave to intervene pursuant to s. 9(4) of the Judicial Review Procedure Act, R.S.O. 1990, c. J.1. Pursuant to that provision, the Attorney General is entitled to be heard as of right on an application for judicial review.
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