Housing: landlord and tenants; use of certain software to share pricing information and set rent rates; prohibit. Amends title & sec. 1 of 1972 PA 348 (MCL 554.601) & adds sec. 1e.

HB 4538 prohibits landlords from using software that employs algorithms to set rent prices based on hidden competitor data (like actual rent amounts or occupancy rates from other landlords). This specifically bans tools that help landlords coordinate rent increases or restrict competition in the rental market. The law applies to all landlords in Michigan and treats violations as breaches of the state's antitrust laws. It directly affects rental housing providers who might use such technology to adjust pricing strategies.