 Unless a violation of the code or other ordinance is specifically designated as a municipal civil infraction (or unless expressly otherwise required by applicable state or federal laws), the violation is a misdemeanor.The county government operates the jail, maintains rural roads, keeps files of deeds and mortgages, maintains vital records for all areas except Detroit, administers public health regulations, and participates with the state in the provision of welfare and other social services.Most other local government functions – police and fire, building and zoning, tax assessment, street maintenance, etc.