‘(1) This section applies if— (a) a person who has limited leave to enter or remain in the United Kingdom applies to the Secretary of State for variation of the leave, (b) the application for variation is made before the leave expires, and (c) the leave expires without the application for variation having been decided. (2) The leave is extended by virtue of this section during any period when - (a) the application for variation is neither decided nor withdrawn … (d) an administrative review of the decision on the application for variation - (i) could be sought, or (ii) is pending.’
‘To qualify for leave to remain as a Tier 1 (Entrepreneur) Migrant under this rule, an applicant must meet the requirements listed below. If the applicant meets these requirements, leave to remain will be granted. If the applicant does not meet these requirements, the application will be refused… Requirements: … (g) The applicant must not be in the UK in breach of immigration laws except that, where paragraph 39E of these Rules applies, any current period of overstaying will be disregarded.’
‘This paragraph applies where: (1) the application was made within 14 days of the applicant’s leave expiring and the Secretary of State considers that there was a good reason beyond the control of the applicant or their representative, provided in or with the application, why the application could not be made in-time; or (2) the application was made: (a) following the refusal of a previous application for leave which was made in-time; and (b) within 14 days of: (i) the refusal of the previous application for leave; or (ii)the expiry of any leave extended bysection 3C of the Immigration Act 1971 ; or (iii) the expiry of the time-limit for making an in-time application for administrative review or appeal (where applicable); or (iv)any administrative review or appeal being concluded, withdrawn or abandoned or lapsing.’