SolvedTCTM02075 | Entitlement: Residence rules - Right to reside: A self-sufficient person
From HM Revenue & Customs · Tax Credits Technical Manual
The Immigration (European Economic Area) 2006 Regulations, regulation 4, (1), (c)
Self-sufficient Person - European Economic Area (EEA) or Swiss nationals
A self-sufficient person may have a right to reside in the United Kingdom if they have:
sufficient resources for themselves and their family members not to become a burden on the social assistance system of the United Kingdom during their period of residence; and
comprehensive sickness insurance cover for them self and their family members in the United Kingdom.
“Social assistance” is Income Support or State Pension Credit.