The first regulatory period for fibre fixed line access services starts on the implementation date and lasts for 3 years. You will know when this period starts because it begins on the implementation date. The Commission will decide how long the next regulatory periods will last, and they must be between 3 and 5 years.

The Commission must tell you how long each new regulatory period will be in a section 170 determination. This means they have to make it clear when a new period starts and how long it will last. You can find out about the duration of each new regulatory period through these determinations.

The Commission is in charge of deciding the length of the regulatory periods after the first one. They have to choose a length between 3 and 5 years for each period.