4.—(1) For the purpose of enabling officers belonging to the United Kingdom to carry out frontier controls, all frontier control enactments extend to the Netherlands within a control zone.
(2) The Equality Act 2010(1) applies to the carrying out by immigration officers of their functions in a control zone in the Netherlands as it applies to the carrying out of their functions within the United Kingdom.
(3) For the purposes of section 207 of the Data Protection Act 2018(2) (“the 2018 Act”), data which is processed within a control zone in the Netherlands in connection with the carrying out of frontier controls by an officer belonging to the United Kingdom shall be treated as processed by a controller established in the United Kingdom in the context of the activities of that establishment (and the 2018 Act accordingly applies in respect of such data).
(4) For the purposes of section 207 of the 2018 Act, data which is processed within a control zone in the United Kingdom in connection with the carrying out of frontier controls by an officer belonging to the Kingdom of the Netherlands shall be treated as processed by a controller established in the Kingdom of the Netherlands in the context of the activities of that establishment (and accordingly the 2018 Act does not apply in respect of such data).