Off-limits places in PA and what makes them off-limits:
1. Court Facilities - PA Title 18, Chapter 9, Subsection 913
2a.*Grounds and buildings of Elementary and Secondary schools(K-12 grades), whether the school is private or public. There is an affirmative defense for "other lawful purposes" however there is no case law determining on what that includes. To be safe, its wiser to assume it does not include our carrying "rights". - PA Title 18, Chapter 9, Subsection 912
2b. Within 1000ft of a school unless you have a license/permit issued by the state in which the school is located - US Title 18, Part I, Chapter 44, Subsection 922(q)
3. Casinos - by regulation Title 58, Part VII, Chapter 465, Subsection 465a.13
4. Certain Department of State buildings - by regulation
5. ****Places off-limits by Federal Law or regulation, IE: military installations(exceptions for hunting at some bases), Federal Government buildings, after the security check point in airports,etc.
6. Any private property where a landowner, tenant or person so authorized to maintain property has asked you to leave because you are carrying, or where the property owner or tenant has placed signs or placards denoting that guns are forbidden - Title 18, Chapter 35, Subsection 3503
7. Detention facilities, correctional institutes, or mental hospitals - Title 18, Chapter 51, Subsection 5122