text: **Requirement to self-isolate on failure to undertake a mandatory test**
  
  **2.**—(1) Sub-paragraph (2) applies where P is not a person of the description in regulation 
  
  5(1)(b), (c) or (d) and— 
  (a) either— 
  
  (i) P fails to undertake a day 2 test, or 
  
  (ii) P’s day 2 test generates a negative or inconclusive result, and 
  
  (b) P fails to undertake a day 8 test. 
  
  (2) Where this sub-paragraph applies, P must continue to self-isolate in accordance with the 
  relevant self-isolation provisions until the end of the 14th day after the day on which they arrived 
  in England. 
  
  (3) Sub-paragraph (4) applies where P is a person of the description in regulation 5(1)(b), (c) or 
  (d) and P fails to undertake a day 2 test. 
  
  (4) Where this sub-paragraph applies, P must self-isolate in accordance with regulation 2 of the 
  Self-Isolation Regulations as if P had been notified under regulation 2A(1)(a) of those 
  Regulations, on the date that P should have undertaken the day 2 test, that P had tested positive, 
  until the earlier of — 
  
  (a) the end of the 14th day after the day P arrived in England; or 
  (b) the time that P is notified of the result of a test meeting the requirements of a day 2 test 
  
  save as to the time at which that test is to be undertaken, that P has undertaken. 