RFIG21090 | Statutory Residence Test (SRT): Split year treatment: Case 2 - The partner of someone starting full-time work overseas
From HM Revenue & Customs · Residence and FIG Regime Manual
An individual may receive split year treatment for a tax year if their partner meets the conditions for Case 1 split year treatment for that year, or the previous year, and they move overseas so that they can continue to live with them while they are working overseas. They must:
be UK resident for the tax year being considered for split year treatment
be UK resident for the previous tax year (whether or not it is a split year)
be non-UK resident for the tax year following the tax year being considered for split year treatment
have a partner whose circumstances fall within Case 1 for the tax year or the previous tax year
have been living together in the UK either at some point in the tax year or the previous tax year
move overseas so they can live together while their partner is working overseas
in the period beginning on their deemed departure day and ending on the last day of the tax year:
have no home in the UK or, if they have homes in both the UK and overseas spend the greater part of the time living in the overseas home, and
spend no more than the permitted limit of days in the UK (refer to RFIG21070).