Uren moeten worden verantwoord per volle week (vrijdag 18u tot vrijdag 18u). Facturen kunnen worden aangeboden per weekperiode (van 4 of 5 weken)

2012

Kwartaal 1

week 1 - 4 week 5 - 8 week 9 - 13

week 14 - 17 week 18 - 21 week 22 - 26

week 27 - 30 week 31 - 34 week 35 - 39

week 40 - 43 week 44 - 47 week 48 - 52

week 1 - 4 week 5 - 9 week 10 - 13

week 14 - 17 week 18 - 22 week 23 - 26

week 27 - 30 week 31 - 35 week 36 - 39

week 40 - 44 week 45 - 48 week 49 - 52