2009 Michigan Laws > Chapter 454 Current as of: 2009 | Check for updates | Other versions Act 188 of 1857 Mechanics’ Associations Act 167 of 1869 Incorporation Of Trades Unions As Mechanics’ Associations Act 13 of 1897 Labor Associations Act 42 of 1887 Arbeiter Bunds Act 145 of 1885 Societies To Promote Interests Of Trade And Labor Act 28 of 1891 Builders And Traders Exchanges