43That interpretation is consistent with the aim of the Agreement, which is to ensure the free movement of persons between the Swiss Confederation and the Community. It is also consistent with the principle of equal treatment laid down in Article 8(a) of the Agreement, given that it is aimed at ensuring that the exercise of the right to freedom of movement does not have the effect of depriving a migrant worker of social security advantages, as compared with other workers who have not exercised that right.