Mich. Comp. Laws § 691.1341

Sec. 11. (1) The disqualification of section 9(1) applies to a collaborative lawyer representing a party that is a government or governmental subdivision, agency, or instrumentality. (2) After a collaborative law process concludes, another lawyer in a law firm with which the collaborative lawyer is associated may represent a government or governmental subdivision, agency, or instrumentality in the collaborative matter or a matter related to the collaborative matter if both of the following apply: (a) The collaborative law participation agreement so provides. (b) The collaborative lawyer is isolated from any participation in the collaborative matter or a matter related to the collaborative matter through procedures within the law firm that are reasonably calculated to isolate the collaborative lawyer from the participation.