55 Pa. Code § 2800.108 – Firearms and weapons.

(a) A residence shall have a written policy regarding firearms, weapons and ammunition where these items are on the premises or in possession of any resident or staff member. A residence is not required to permit firearms, weapons and ammunition.
(b) The policy must include, at a minimum, procedures regarding the safety, access and use of firearms, weapons and ammunition.
(c) Firearms, weapons and ammunition shall be permitted on the licensed premises of a residence only when the following conditions are met:
1. (1) Firearms and weapons shall be contained in a locked cabinet located in a place other than the residents’ living unit or in a common living area.
2. (2) Ammunition shall be contained in a locked area separate from firearms and weapons, and located in a place other than the residents’ living unit or in a common living area.
3. (3) The key to the locked cabinet containing the firearms, weapons and ammunition shall be in the possession of the administrator or a designee.
4. (4) The administrator or designee shall be the only individual permitted to open the locked cabinet containing the firearms and weapons and the locked area containing the ammunition.
(d) If a firearm, weapon or ammunition is the property of a resident, there shall be a written policy and procedures regarding the safety, access and use of firearms, weapons and ammunition. A resident may not take a firearm, weapon or ammunition out of the locked cabinet into the common living area.