[1] A tenth county, Wayne, was established on August 15, 1796, and encompassed roughly the present state of Michigan.[5] Counties do not possess home rule powers and can do only what has been expressly authorized by the Ohio General Assembly.[8][9] The Federal Information Processing Standard (FIPS) is used by the U.S. government to uniquely identify counties.In the following table, these codes link to the United States Census Bureau's "quick facts" for each county.The Ohio Department of Taxation assigns consecutive numbers for the purpose of enumerating taxing districts.