For det tredje er en undtagelse fra princippet om ligebehandling acceptabel, men kun hvis det drejer sig om systemer, som selv giver gode garantier internt i vikarsektoren, også for perioden mellem to kontrakter.
Thirdly, an exception to the principle of equal treatment is acceptable, but only where the systems concerned provide good guarantees internally in the temporary sector itself, also for the period between two contracts.