EIM42890 | Residence: taxpayer coming to the United Kingdom: issue of form P86
From HM Revenue & Customs · Employment Income Manual
Form P86 was withdrawn with effect from 1 June 2010.
New arrivals to the UK will be integrated into HMRC processes by existing means:
the RTI process for new employees
CWF1 for newly self-employed
SA1 registration process for customers who are not self-employed but who need to complete a tax return