(6) The following persons are not required to comply with this regulation—  (7) For the purposes of this regulation—  5. —(1) Except as provided in paragraph (6) and subject to the provisions relating to length of  stay in paragraph (1) of regulation 6 (requirement to book and undertake tests), regulation 6  applies to a person who arrives in England who—  7 (a) a child who is under the age of 11;  (b) a person described in paragraph 2, 3, 4, 6, 7, 8, 9, 10, 13, 14, 15 or 34 of Schedule 4  (exemptions);  (c) a person described in any sub-paragraph of paragraph 3(1) of Schedule 7 (testing before  arrival in England).  (a) a test is a qualifying test if it complies with paragraph 1 of Schedule 7;  (b) a notification of a negative result is valid if it includes the information specified in  paragraph 2 of Schedule 7;  (c) a child is to be treated as possessing valid notification of a negative result from a  qualifying test taken by that child even if that notification is possessed by a person who is  travelling with, and has responsibility for, that child.  (a) is a category 1 arrival, other than a person of the description in paragraph (4);  (b) is required to self-isolate under—  (i) regulation 9 (requirement to self-isolate), or  (ii) Schedule 11 (additional measures applicable to arrivals from category 3 countries  and territories);  (c) is not required to self-isolate under regulation 9 only by virtue of one or more of the  following paragraphs of Schedule 4 (exemptions)—  (i) paragraph 1(1)(i) (representatives of foreign countries or territories on official  business),  (ii) paragraph 1(1)(j) (representatives of government of British overseas territory),  (iii) paragraph 4 (foreign officials or contractors with border security duties),  (iv) paragraph 5 (road passenger transport workers),  (v) paragraph 14 (civil aviation inspectors),  (vi) paragraph 16 (certain Crown Servants, persons certified as returning from essential  state business etc.),  (vii) paragraph 17 (essential or emergency work outside the United Kingdom), or  (viii) paragraph 30 (postal operators);  (d) falls within the description in paragraph 44 (elite sportspersons and ancillary  sportspersons) of Schedule 4; or  (e) may temporarily cease to self-isolate by virtue of paragraph (15)(f)(ii) or (15)(i) of  regulation 9 and the following paragraphs of Schedule 4—  (i) paragraph 4 (foreign officials with border security duties),  (ii) paragraph 5 (road passenger transport workers),  (iii) paragraph 14 (civil aviation inspectors),  (iv) paragraph 21 (water and sewerage workers),  (v) paragraph 22 (flood and coastal defence workers),  (vi) paragraph 23 (electricity workers),  (vii) paragraph 24 (nuclear power workers),  Requirements relating to tests 