Mich. Admin. Code R 209.25 — Appraisal manuals

Rule 25. (1) Two copies of an appraisal manual, other than the current
assessors' manual, which is to be used by an independent appraisal firm in Michigan,
shall be submitted to the commission for approval. Any appraisal manual previously
approved by the commission shall be
resubmitted to the commission every 5 years for reapproval.
(2) The commission shall maintain a list of approved appraisal manuals.