Act No. 251 of the Public Acts of 1955, as amended, being section 423.301 to 423.311 of the Compiled Laws of 1970, Act No. 45 of the Public Acts of the Second Extra Session of 1963, as amended, being section 37.1 to 37.9 of the Compiled Laws of 1970, and Act No. 112 of the Public Acts of 1968, as amended, being section 564.101 to 564.704 of the Compiled Laws of 1970, are repealed.