The ODBC Constitution, Article V – Selections and Appointments, Section 1 – The Calling of a Pastor states:

• The pastor(s), agreeing wholeheartedly with the church’s Statement of Faith and Doctrinal Position and this Constitution shall be called for an indeterminate term.
• Notice of the proposed choice of the election. Which shall be given from the pulpit for two (2) successive Sundays preceding the election, which shall be at any regularly or specially called business meeting for such purpose. The minimum affirmative vote for the issuance of a call shall be 75% of all ballots cast.