Decl. of Rights, Art. XXX
Separation of powers
Limit
Founding & Purposes
Declaration of Rights
Official text rightpowerlimitif conditionlegal term
In the government of this commonwealth, the legislative department shall never exercise the executive and judicial powers, or either of them: the executive shall never exercise the legislative and judicial powers, or either of them: the judicial shall never exercise the legislative and executive powers, or either of them: to the end it may be a government of laws and not of men.
Simplified explanation
The legislative, executive and judicial departments shall never exercise each other's powers, so that the commonwealth may be a government of laws and not of men.