(1) Subject to section 161 on rate collectors, a rating authority may appoint a person by notice in writing to be the agent for the rating authority for the collection of specified basic rate payable by a person or persons of a class.

(2) The appointed person shall

(a) deduct the rate specified in the notice; and

(b) hold the sums deducted on behalf of the rating authority and pay the moneys to the rating authority within fifteen days after the day on which the agent was appointed by notice from the day on which the notice was served on that person.