(1) Public employees who seek a seat in the European Parliament shall be granted the time necessary for the canvassing of votes. Public employees who have been elected to membership of the European Parliament shall for the duration of their duties be suspended from office accompanied by loss of their emoluments. The detailed provisions will be settled by law. (2) University teachers can continue their activity in research and teaching and their examination activity also while they belong to the European Parliament. The emoluments for such activity shall be calculated in accordance with the services actually performed, but may not exceed twenty-five per cent of a university teacher's salary. (3) In so far as this Federal constitutional law stipulates the incompatibility of functions with membership or former membership of the National Council, these functions shall also be incompatible with membership or former membership of the European Parliament.