Au contraire Danny, it is you who appears to harbour an agenda. A&C is merely pointing out that he complies with the regulations pertaining to anyone whose contract existed before the cut-off of 25th June (? ) being compliant by paying his social charges in either his country of residence (or country of his employer) which choice he may exercise for the next 10 years.
Liability for income tax is quite another subject, and may also be complied with in many innovative ways.
To answer the previous question, the current Norwegian roster in Malaga will very easily facilitate the scenario aozc queried.