(1) Unless paragraph 2 applies, an offshore worker must notify the Secretary of State of the date on which each of the following occurs—
(a) the offshore worker arrives in the United Kingdom, and
(b) the offshore worker leaves the United Kingdom.
(2) Where the offshore worker has a sponsor, the sponsor must make the notification to the Secretary of State.
(3) A sponsor who must make a notification by virtue of paragraph (2) need only notify the Secretary of State of the date on which—
(a) the offshore worker first arrives in the United Kingdom at the beginning of the job for which they are being sponsored, and
(b) the offshore worker leaves the United Kingdom at the end of the job for which they are being sponsored.
(4) The notification must be made—
(a) in relation to arrival in the United Kingdom, no earlier than the day the offshore worker arrives in the United Kingdom and no later than 10 working days beginning on the day after arrival;
(b) in relation to leaving the United Kingdom, no earlier than the day on which the offshore worker leaves the United Kingdom and no later than 10 working days beginning on the day after the offshore worker has left the United Kingdom.
(5) The notification must be made —
(a) by a sponsor, in the manner specified by the Secretary of State within the immigration skills arrangements ;
(b) by an offshore worker, in writing to the Secretary of State.