The potential lost revenue in a case where P is liable to a penalty under paragraph 1 for enabling Q to engage in conduct that makes Q liable (if the applicable conditions are met) to a relevant civil penalty is to be determined as follows.

In the case of a penalty under paragraph 1 of Schedule 24 to FA 2007 involving an offshore matter or an offshore transfer, the potential lost revenue is the amount that under that Schedule is the potential lost revenue in respect of Q's conduct.

In the case of a penalty under paragraph 1 of Schedule 41 to FA 2008 in relation to a failure to comply with section 7(1) of TMA 1970 involving offshore activity, the potential lost revenue is the amount that under that Schedule is the potential lost revenue in respect of Q's conduct.

In the case of a penalty under paragraph 6 of Schedule 55 to FA 2009 involving offshore activity, the potential lost revenue is the liability to tax which would have been shown in the return in question (within the meaning of that Schedule).