An Act amending the act of May 21, 1943 (P. L. 571, No. 254), entitled, as amended, "The Fourth to Eighth Class County Assessment Law," including third class counties within the scope of the act; further providing for assessment procedures; further providing for appeals of assessments; further providing for the powers and duties of county commissioners and of the governing body of home rule charter counties; making editorial changes; and making repeals.