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it was not allowed for a period so maybe they are confused and have incorrectly declined her.If you entered the UK in a different immigration category (for example, as a student), you may be allowed to switch into the category of husband, wife or civil partner if we have given you a total of more than six months' permission to live here since your most recent admission to the UK.
Queryguy wrote:a small statement on the Tier 5 guidance that says you '..cannot switch into any other category'
Note that switching under 284 is not into the Points Based System route nor into visitor status.Tier 5 (Youth mobility scheme) policy guidance wrote:switching into another route
Not permitted. Switching into any other Points Based System route or into visitor status is not allowed.
If she has a right of appeal, then do appeal. Else, if she has no right of appeal because she has leave remaining, then request a reconsideration of the decision.[url=http://www.bailii.org/uk/cases/UKUT/IAC/2010/00304_ukut_iac_2010_fa_nigeria.html]FA and AA (PBS effect of Pankina) Nigeria  UKUT 304 (IAC) (25 August 2010)[/url] wrote:The effect of the decision of the Court of Appeal in Pankina is not limited to the â€˜three-month ruleâ€™ in relation to evidence of funds. Policy Guidance does not have the status of Immigration Rules for the purposes of immigration appeals.