The principle of equal pay has been implemented through secondary law not only between women and men, but also between workers with fixed term contracts and comparable permanent workers, between part-time and full-time workers and between temporary agency workers and comparable workers of the user undertaking.
Is trí dhlí thánaisteach a rinneadh an prionsabal um pá comhionann a chur chun feidhme, ní hamháin idir fir agus mná, ach freisin idir oibrithe le conarthaí ar théarma seasta agus buanoibrithe inchomparáide, idir oibrithe páirtaimseartha agus lánaimseartha agus idir oibrithe gníomhaireachta sealadacha agus oibrithe inchomparáide den ghnóthas úsáideora.