The Immigration Rules covering settlement for a main applicant in the route are found in Immigration Rules, Appendix Skilled Worker, paras SW 19.1-SW 27.2. Para SW 19.3 (validity requirement) states that the applicant 'must have, or have last been granted, permission as a Skilled Worker'. Para SW 21.2 states that ‘The applicant must have spent a continuous period of 5 years in the UK’, while para SW 21.2 provides that: ‘The 5-year continuous period must consist of time with permission on any of, or any combination of, the following routes: (a) Skilled Worker […]’ There is a difference between the term ‘as a Skilled Worker’ in para SW 19.3, which would presumably be construed as a main applicant only, and the term ‘on the route’ in para SW 21.2. It