Sec. 4. This act does not affect any written or oral contract or arrangement in existence before January 1, 1971, nor to any extensions or renewals of a contract except by the mutual written consent of the parties.
Mich. Comp. Laws § 442.314
Effect of act as to existing contracts or arrangements
1970, Act 90, Eff
Official source: Michigan Legislature. Reproduced from public-domain Michigan statutes; confirm against the official source for the current text. Not legal advice.