The periods of vacation for uniformed members of the Police Department in the Borough of Runnemede shall be as follows:
A.
One week's vacation for those having been in the service of the Police Department for a period from one year up to three years;
B.
Two weeks' vacation for those having been in the service of the Police Department for a period from three years to 10 years;
C.
Three weeks' vacation for those having been in the service of the Police Department for a period from 10 years to 15 years; and
D.
One month's vacation for those having been in the service of the Police Department for a period of more than 15 years.