Section 642:6 Escape.
I. A person is guilty of an offense if he escapes from official custody.
II. ""Official custody'' means arrest, custody in a penal institution, an institution for confinement of juvenile offenders or other confinement pursuant to an order of a court.
III. The offense is a class A felony if the actor employs force against any person or threatens any person with a deadly weapon to effect the escape, except that if the deadly weapon is a firearm, he shall be sentenced in accordance with RSA 651:2, II-g. Otherwise it is a class B felony.
IV. If a person is convicted of the offense of escape under this section, the term of imprisonment authorized by RSA 651:2, II or RSA 651:6 shall be added to the portion of the term which remained unserved at the time of the commission of the offense.
Source. 1971, 518:1. 1975, 458:3, 4. 1990, 95:7, eff. June 12, 1990.