DarioMartin wrote on Sat Apr 3, 2021 10:29am:
Except Spain already had a requirement for anyone desiring to reside here for more than 90 days to register, and prove they had sufficient means to support themselves, including health cover. If you couldn’t show that, you didn’t get Residencia. Being a sovereign country they were able ...
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...to do that.
You didn’t need Brexit to achieve that, just do what every other EU country was already doing. Require migrants to register and prove they had sufficient means to do so.
I think you will find that the Brits upping sticks and leaving Spanish now hadn't registered ?