In any proceedings instituted by or against a council under this or any other Act it is not necessary to prove any of the following:

(a) the name of the council;

(b) any person who is or has been a councillor or a member of the council;

(c) the election or appointment of its councillors;

(d) the boundaries of any municipal area, town or electoral district;

(e) the authority of a person to institute or carry on proceedings on behalf of the council.