“(1) A person (“P”) who is not an exempt person and who satisfies the criteria in paragraph (2), (3), (4), (4A) or (5) of this regulation is entitled to a derivative right to reside in the United Kingdom for as long as P satisfies the relevant criteria. … (3) P satisfies the criteria in this paragraph if— (a) P is the child of an EEA national (“the EEA national parent”); (b) P resided in the United Kingdom at a time when the EEA national parent was residing in the United Kingdom as a worker; and (c) P is in education in the United Kingdom and was in education there at a time when the EEA national parent was in the United Kingdom. CIS/1383/2016 SSWP v MH (IS) (4) P satisfies the criteria in this paragraph if— (a) P is the primary carer of a person meeting the criteria in paragraph (3) (“the relevant person”); and (b) the relevant person would be unable to continue to be educated in the United Kingdom if P were required to leave. …. (6) For the purpose of this regulation— … (c) “an exempt person” is a person— (i) who has a right to reside in the United Kingdom as a result of any other provision of these Regulations; (ii) who has a right of abode in the United Kingdom by virtue of section 2 of the 1971 Act; (iii) to whom section 8 of the 1971 Act, or any order made under subsection (2) of that provision, applies; or (iv) who has indefinite leave to enter or remain in the United Kingdom. (7) P is to be regarded as a “primary carer” of another person if (a) P is a direct relative or a legal guardian of that person; and (b) P— (i) is the person who has primary responsibility for that person's care; or (ii) shares equally the responsibility for that person's care with one other person who is not an exempt person. (7A) Where P is to be regarded as a primary carer of another person by virtue of paragraph (7)(b)(ii) the criteria in paragraphs (2)(b)(iii), (4)(b) and (4A)(c) shall be considered on the basis that both P and the person with whom care responsibility is shared would be required to leave the United Kingdom. ….”