7.07. (1) The employee who completes his fifth or twelfth year of uninterrupted service, after 1 May of the current year, is entitled to additional paid vacation days, determined as follows:(a) 4 days, if the hiring date is in May or June;
(b) 3 days, if the hiring date is in July or August;
(c) 2 days, if the hiring date is in September or October;
(d) 1 day, if the hiring date is in November or December.