Sec. 20.
History: 1933, Act 254, Eff. Oct. 17, 1933
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Am. 1939, Act 261, Eff. Jan. 10, 1942
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Am. 1943, Act 244, Imd. Eff. Apr. 22, 1943
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CL 1948, 479.20
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Am. 1951, Act 150, Eff. Sept. 28, 1951
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Am. 1982, Act 399, Imd. Eff. Dec. 28, 1982
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Am. 1987, Act 9, Eff. Apr. 1, 1987