The Great Synagogue, Sydney, Act 1931

The Board of Management shall provide for the safe custody of the seal and except for the purpose of section twenty-three it shall never be used other than by the authority of the Board of Management or a quorum thereof previously given and in the presence of at least two members of the Board who shall sign every instrument to which the seal is affixed and every such instrument shall be countersigned by the Secretary or some other person appointed for that purpose by the Board of Management or a quorum thereof.