18 Pa. C.S. § 2903 : Consolidated Statutes — CRIMES AND OFFENSES — DEFINITION OF SPECIFIC OFFENSES — OFFENSES INVOLVING DANGER TO THE PERSON — KIDNAPPING — False imprisonment
(a) Offense defined.--A person commits an offense if he knowingly restrains another unlawfully so as to interfere substantially with his liberty.
(b) false imprisonment of a minor where offender is not victim's parent.--If the victim is a person under 18 years of age, a person who is not the victim's parent commits a felony of the second degree if he knowingly restrains another unlawfully so as to interfere substantially with his liberty.
c False imprisonment of a minor where offender is victim's parent.--(If the victim is a person under 18 years of age, a parent of the victim commits a felony of the second degree if he knowingly restrains another unlawfully so as to interfere substantially with his liberty.
(d) Definition.--As used in this section the term "parent" means a natural parent, stepparent, adoptive parent or guardian of a minor.