16 Pa. Stat. § 4524
Every member of the police force shall have at least twenty-four consecutive hours of rest in each calendar week, except in emergency cases for the suppression of riots or tumults or the preservation of the public peace, in times of war, riot, conflagration or public celebration. No member shall be required to work more than eight consecutive hours in any twenty-four hours except in the aforesaid cases of emergency. Every member shall be allowed one day's vacation for each month of service for the first twelve months of service, and thereafter an annual vacation of not less than fourteen days. He shall also be allowed an annual sick leave of not less than fourteen days. All such vacation and sick leave shall be without any deduction or diminution of salary or compensation as fixed by the salary board. Work hours of firemen and fire inspectors shall be as determined by the board of county commissioners.
16 P.S. § 4524