"You have been required to undergo a preliminary breath test on a prescribed device.
You have refused to undergo the test as required.
If you refuse to undergo the preliminary breath test you may be charged with this offence and if found guilty you may be fined or imprisoned for up to 18 months and you will lose you licence for a minimum of 2 years."
Repeat initial PBT requirement - If still refuses, offence of 'Refuse PBT' is complete.