MI HB4004

Charter townships meeting specific standards (minimum $25 million state equalized valuation, 150 persons per square mile population density, and providing fire, police, water/sewer, solid waste, and zoning services) are protected from annexation by contiguous cities or villages.

State boundary commission may order annexation of township portions to eliminate isolated islands completely surrounded by a city or to straighten exterior boundaries between jurisdictions.

Township portions contiguous to a city or village may be annexed upon petition signed by 20% of registered electors in the area, charter township board approval by resolution, and majority approval by voters in both the city/village and the township portion being annexed, with votes counted separately.

Annexation referendum must occur within 1 year after petition validation at the first primary or general election held at least 60 days after charter township board approves placing the question on the ballot.

Village populations of 4,200 or more require majority voter approval before annexation to contiguous units, and common boundaries between charter townships and cities/villages may be adjusted by resolution after 90 days' notice and public hearing.