Proof of consent etc. of Municipality, Chief Councillor, Chief Municipal Officer, etc.

Whenever under this Act or the rules or the regulations made thereunder the doing of, or the omission to do, anything or the validity of anything done depends upon the approval, sanction, consent, concurrence, declaration, opinion or satisfaction of- (a) the Municipality, or (b) the Executive Authority, or (c) the Chief Councillor, or (d) the Chief Municipal Officer or any other officer of the Municipality, as the case may be, a document, in writing, signed, - (i) in the cases referred to in clause (a) and clause (b), by the Municipal Secretary where there is a Municipal Secretary, orwhere there is no Municipal Secretary, by the Chief Municipal Officer, and (ii) in the cases referred to in clause (c) and clause (d), by the Chief Municipal Officer, Purporting to conveyor set forth such approval, sanction, consent. concurrence. declaration. opinion. or satisfaction, as the case may be, shall be sufficient evidence thereof.