(1) The Commission shall have a common seal and such seal may from time to time be broken, changed, altered and made anew as the Commission may think fit.
(2) Until a seal is provided by the Commission, a stamp bearing the words "Securities Commission" may be used and shall be deemed to be the common seal of the Commission.
(3) The common seal shall be kept in the custody of the Chairman or such other person as may be authorized by the Commission, and shall be authenticated by either the Chairman or such authorized person or by any officer authorized by the Chairman in writing; and all deeds, documents and other instruments purporting to be sealed with the said seal, authenticated as aforesaid, shall, until the contrary is proven, be deemed to have been validly executed:
Provided that any document or instrument which, if executed by a person not being a body corporate, would not be required to be under seal may in like manner be executed by the Commission, and any such document or instrument may be executed on behalf of the Commission by any officer or servant of the Commission generally or specifically authorized by the Commission in that behalf.
(4) The common seal of the Commission shall be taken judicial notice of for all official purposes.