of the United States. The clerk, coroner, engineer, prosecutor, recorder, and sheriff begin their terms on the first Monday in January. The auditor's term begins on the second Monday in March. The treasurer's term begins on the first Monday in September. The commissioner who is elected with the governor begins his term on January 1. Of the other two seats, one term begins on January 2 and the second on January 3. Requirements to serve Any citizen of Ohio and the United States who is 18 years of age or older and lives in the county may run for commissioner, auditor, treasurer, clerk of courts, or recorder. The other offices have specific additional requirements: candidates for prosecutor must be licensed to practice law; candidates for coroner must be licensed to practice medicine for two years; candidates for engineer must be both licensed surveyors and engineers; and candidates for sheriff must have either a two-year college degree or five years of supervisory experience in law enforcement. Vacancies If a vacancy arises, it is filled by the county central committee of the political party to which the former official belonged, i.e., the Republicans appoint someone to an office held by a Republican and the Democrats to an office held by a Democrat. If an office becomes vacant before the November election in the even-numbered year midway through the term, the appointee must run in a special election for the remainder of the term. If the office becomes vacant after then, the appointment is for the remainder of the term. Board of County Commissioners The Board of County Commissioners is the combined executive and legislative branch of county government but as their control over the independently elected officials is limited, there is effectively no real executive. Though the commissioners receive a full-time salary, most commissioners have full-time occupations on the side and so many boards hire a county administrator to oversee the county's day-to-day affairs. The board also employs a clerk to record its proceedings if it is deemed necessary to have a full-time clerk, otherwise the Auditor is ex officio the clerk. One of the members of the board is named president of the board. The board of commissioners often create numerous subordinate departments to handle specific services. These vary from county to county; among the most common are departments for building and zoning, health, economic development, water and sewer service, and