නිල පරිවර්තනයවෙනස් නොකළ පාඨය, Department of Government Printing වෙතින්
The Seal of the Corporation shall be in the custody of the Secretary and it shall not be affixed to any instrument whatsoever except in the presence of two office bearers of the Corporation designated by the rules in force, who shall sign their names on the instrument in token of their presence, and such signing shall be independent of the signing of any person as a witness.