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The IMA was incorporated under the laws of Ontario by letters patent dated May 27, 1957 and amended by legislation in 1987 and 1993.

In 1987, the Institute of Municipal Assessors Act, empowered the IMA to carry out the objects of the Institute and the government, and granted the exclusive right to use its designation “Member Institute of Municipal Assessors” and the abbreviation thereof, “M.I.M.A.” The Act also allows other variations of its designations as follows:

Every registered member of the Institute who has satisfied the criteria for a category of membership as set out in the by-laws of the Institute may use the designation “Member Institute of Municipal Assessors,” “Associate Member Institute of Municipal Assessors,” “Honorary Member Institute of Municipal Assessors,” “Life Member Institute of Municipal Assessors” or “Fellow of the Institute of Municipal Assessors,” as the case may be, and may use after the member’s name the initials “M.I.M.A.,” “A.I.M.A.,” “M.I.M.A. (Hon.),” “M.I.M.A. (Life)” or “F.I.M.A.,” respectively.

The IMA has the power under the Act to establish bylaws that govern the professional practice of its members as well as to discipline members who act in a manner inconsistent with this Code of Ethics and Professional Standards

The IMA has established the following governing bylaws:

  • Bylaw 1 (Relating to the general affairs of the IMA)
  • Bylaw 2 (Relating to the fees payable by Members of the IMA)
  • Bylaw 3 (Relating to Member reinstatement)
  • Bylaw 4 (Relating to compliance with the IMA Code of Ethics and Professional Standards)