This situation is even more difficult to comprehend since the persons concerned do not represent any risk of illegal immigration or any threat to public policy as they have been submitted to controls and screening by the Swiss / Lichtenstein authorities before the issuing of the residence permit .
This situation is even more difficult to comprehend since the persons concerned do not represent any risk of illegal immigration or any threat to public policy as they have been submitted to controls and screening by the Swiss / Lichtenstein authorities before the issuing of the residence permit .