Anyone that is immigrated to another country either for a purpose of study or work might want to get permanent residency status if he or she cannot leave that country for anything or any reason. However, one cannot get the EEA Permanent Residence just like that. You need to fulfill certain requirements to get the permanent residence.The applicant should be the EEA national or should belong to the family member of the EEA national, and EEA nation should be exercising her or his treaty rights and more.
Added to these, you can apply for the EEA permanent residency,if:
• you are both from outside the European Economic Area
• you are family member or extended family member of an EEA or Swiss national
The point is that, you do not need your permanent residence card to confirm your residence status in the UK except,
• If you want to apply for British citizenship
• If you are an extended family member of someone from the European Economic Area or Switzerland and are yourself not an EEA or Swiss national
• If you want to sponsor your partner’s visa application under the Immigration Rules
If you and your family want to continue living in the United Kingdom, then you can apply for the EU settlement Scheme.
If you do not want to live alone and want to bring your family to UK, then you should think about applying for EEA Family Permit UK. The family permit is valid for the 5 years’ period. If you are shifted to another state or city or address, then you need to report your changes to the authority. The permanent residency permit has undergone various changes now. According to latest rules and regulations, the EEA people who have been working their treaty rights in the United Kingdom will get the permanent residency status after finished living five successive years in the UK.
If you want to get the EEA family permit, then you must fulfill the conditions.
• You should be the spouse or civil partner of an EEA or Swiss national,
• You should be a dependent relative in the ascending line. That is, you should be a relative of parents or grandparents of an EEA or Swiss national or his or her spouse or civil partner.
• You should be a descendant, that is child or grandchild of the EEA national or their spouse or civil partner under 21 years of age

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Anyone that is immigrated to another country either for a purpose of study or work might want to get permanent residency status if he or she cannot leave that country for anything or any reason.