[buccaneer81]

to the extent they are able,

Those are rather KEY words, wouldn't you say?

[FreeReign]

"to the extent they are able", Those are rather KEY words, wouldn't you say?

I like full context. The following adds to it.

2241: Political authorities, for the sake of the common good for which they are responsible, may make the exercise of the right to immigrate subject to various juridical conditions,