Each board shall have at least two (ordained) ministers and at least two laypersons. The Committee on Probationers shall have at least five ordained ministers. The membership of all other boards and committees shall contain male and female, layperson and clergy, and representatives from as many different congregations as possible. The members of boards and standing committees shall (unless otherwise stated) be limited to three years. Persons may succeed themselves twice, for a total of not more than nine years of service. One year must lapse before a person is eligible to serve again on the same board or standing committee. The term of office shall run concurrently with the calendar year.