17. Seal of the Centre

The seal of the Centre shall not be affixed to any instrument whatsoever except in the presence of such number of persons as may be provided for in the rules made under section 10 who shall sign their names to the instrument in token of their presence and such signing shall be independent of the signing of any person as a witness.

The seal of the Centre shall be in the custody of the persons as may be determined by the rules made under section 10.