5 (“the relevant prohibition”), the relevant prohibition is not contravened if the conduct is  authorised by a licence or other authorisation which is issued—  17.  For regulation 43 (exception for acts done for purposes of national security or prevention of  serious crime), substitute—  “ 43. —(1) Where an act would, in the absence of this paragraph, be prohibited by the  prohibition in regulation 9(2) (confidentiality) or any prohibition in Part 3 (Finance) or Part  5 (Trade), that prohibition does not apply to the act if the act is one which—  (2) Where, in the absence of this paragraph, a thing would be required to be done under or  by virtue of a provision of Part 7 (Information and records) or Part 9 (Maritime  enforcement), that requirement does not apply if—  (3) In this regulation—  (3) In this regulation—  18.  In regulation 44(2) (Treasury licences), for “consider” substitute “considers”.  “Public Services Commission” means the Public Services Commission established by  the Public Services Commission Act 2015 (of Tynwald)( a );  acting in the course of that person’s duty;  “Island responsible officer” means a person—  “UK responsible officer” means a person in the service of the Crown or holding office  under the Crown in the United Kingdom, acting in the course of that person’s duty.”  19.  In regulation 45 (trade licences), for “Secretary of State”, substitute “Treasury”.  ( a ) AT 1 of 2015.  6 (c) appointed as a constable by the Department of Home Affairs,  (b) appointed by the Public Services Commission, or  (a) in the service of the Crown or holding office under the Crown in the Isle of Man,  (b) an Island responsible officer has determined that not doing the thing in question  would be in the interests of the prevention or detection of serious crime in the Isle  of Man or elsewhere.  (ii) the prevention or detection of serious crime in the United Kingdom or  elsewhere, or  (i) national security, or  (a) a UK responsible officer has determined that not doing the thing in question would  be in the interests of—  (b) an Island responsible officer has determined would be in the interests of the  prevention or detection of serious crime in the Isle of Man or elsewhere.  (ii) the prevention or detection of serious crime in the United Kingdom or  elsewhere, or  (i) national security, or  (a) a UK responsible officer has determined would be in the interests of—  (a) under the law of the relevant country, and  (b) for the purpose of disapplying a prohibition in that jurisdiction which corresponds  to the relevant prohibition.  (a) any of the Channel Islands, or  (b) any British overseas territory.”  “relevant country” means— 