§ 268. Election and salary of ministers. The ministerial and clerical attendants of any such church shall be called, elected and removed and their salaries fixed as such corporation in its by-laws shall provide, but no such church shall call, or elect any such person to perform any of the duties of minister or clerical attendant who has not been regularly commissioned so to act by the General Assembly of Spritualists according to its rules, after examination into the character and qualifications of such person by its committees regularly appointed, nor shall any such church retain any person as its minister or clerical attendant after it has been regularly notified that such person has been suspended or removed according to the rules and regulations of the General Assembly of Spiritualists covering such matters.