If the non-EEA family member has been issued with a PR card, there is no need to use the Lounes paper application. They can apply in the usual way, using their PR card number to prove relationship and residence.


See:


Applying with PR
The UK left the EU with a deal on January 31st, that means there is no time limit for close family members of EEA nationals with settled or pre-settled status in the UK, to join their family members here,
...