20.—(1) The Agency shall be a body corporate with perpetual succession and a seal and power to sue and be sued in its corporate name and to acquire, hold and dispose of land.

(2) The Agency shall provide itself with a seal.

(3) The seal of the Agency shall be authenticated by the signature of the Director General or of some other director or of a person, being an employee of the Agency or a person whose services are availed of by, or supplied to, the Agency under section 44, authorised by the Agency to act in that behalf.

(4) Judicial notice shall be taken of the seal of the Agency and every document purporting to be an instrument made by the Agency and to be sealed with the seal (purporting to be authenticated in accordance with subsection (3)) of the Agency shall be received in evidence and be deemed to be such instrument without proof, unless the contrary is shown.