23 Guidelines for customer service codes
(1) For the purposes of this Part, Schedule 1 contains matters that may be included in a customer service code for the purposes of complying with clauses 16–22.(2) A customer service code that contains the matters referred to in Schedule 1 complies with this Part.(3) Nothing in this clause prevents a customer service code that does not contain all of the matters referred to in Schedule 1 from complying with this Part if it complies with clauses 16–22.

