“the EEA citizen would in practice be unable to remain in the UK if the person in fact left the UK for an indefinite period”
“if P were required to leave” the UK which seems to me to be even clearer. Assuming that “required to leave” is given a wider meaning than “legally compelled” in line with Zambrano[2012] QB 265 itself (as I consider it must be), that means “in the event that P will be forced to leave the UK”
“A party that fails to identify an issue before the First-tier Tribunal is unlikely to have a good ground of appeal before the Upper Tribunal”