Section 19

The common seal of the Corporation shall be in the custody of the Chairman and shall not be used except in the presence of the Chairman or Deputy Chairman and one member and such use shall be authenticated by the signature of such persons and such

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authenticated shall be sufficient evidence that such seal was duly and properly fixed and that it is the lawful seal of the Corporation.

All documents including mortgage, lease, assignment, transfer and agreements other than those required by law to be under seal, to which the Corporation is a party may be signed on behalf of the Corporation by the Chairman or any member or by any officer or servants generally or specially authorised in that behalf by the Corporation.

All documents, other than those required by law to be under seal made by, and all decisions of, the Corporation may be signified under the hand of the Chairman and the

Secretary.

Vacancy not to invalidate acts, etc.