text: **Required circumstances for undertaking testing**
  
  **4.**The circumstances mentioned in paragraph 1 are that— 
  
  (a) P undertakes the test on or after the fifth day after the day on which P arrived in England; 
  (b) subject to sub-paragraphs (c) and (d), at the time the test is booked P notifies the test 
  provider that P wishes to undertake the test for the purposes of determining whether they 
  may cease self-isolating under these Regulations, and provides the test provider with— 
  (i) their full name, 
  (ii) their sex, 
  (iii) their date of birth, 
  (iv) their NHS number (if known and applicable), 
  (v) their ethnicity, 
  (vi) their home address, and the address or addresses at which they intend to self-isolate 
  
  in accordance with regulation 9 while in England (if different), 
  
  (vii) the date of their arrival in the United Kingdom, 
  (viii) their coach number, flight number or vessel name (as appropriate), 
  (ix) the date on which they last departed from or transited through a category 2 country 
  
  or territory, 
  
  (x) the country or territory they were travelling from when they arrived in the United 
  Kingdom, and any country or territory they transited through as part of that journey, 
  
  (xi) their email address, 
  (xii) their telephone number, 
  (xiii) their passport number, or travel document reference number (as appropriate); 
  
  (c) where P is a child, or a person with a disability who is unable for that reason to provide 
  
  the notification and information set out in paragraph (b) to the test provider— 
  (i) the notification and information set out in paragraph (b), other than in paragraph 
  (b)(xi) and (xii), is provided to the test provider on P’s behalf by another person 
  (“X”), and 