(1) Subject to sub-regulation (5), an operator of a fixed service shall publish at least once every two years, a telephone directory for the customers it provides the service.

(2) Operators shall also publish annual supplements of telephone directory in the year in which the directory is not to be published listing new customers or subscribers and any change in telephone numbers.

(3) Operators serving the same customers may co-operate in the publication of telephone directory and supplements and share any related cost.