137. Service of documents.

A notice, order, consent, demand or other document that is authorised or required by or under the Building Act 1984 to be given to or served on a person may, in any case for which no other provision is made by the Act, be given or served either:

  1.  

    (1)     by delivering it to that person1;

  2.  

    (2)     in the case of an officer2 of a local authority3, by leaving it, or sending it in a prepaid letter addressed to him, at his office4;

  3.  

    (3)     in the case of any other person, by leaving it, or sending it in a prepaid