Treaty of Amserdam 2

(1)"… for male and female workers for equal work or work of equal value is applied.


(2), "pay'' means the ordinary basic or minimum wage or salary + any other consideration, whether in cash or in kind.


(3) Equal pay without discrimination based on sex means:

(a) that pay for the same work at piece rates shall be calculated on the basis of the same unit of measurement;
(b) that pay for work at time rates shall be the same for the same job."