(a) A person commits the crime of unlawful evasion in the first degree if, while charged with or convicted of a felony, (1) the person fails to return to official detention within the time authorized following temporary leave granted for a specific purpose or limited period, including leave granted under AS 33.30.181; or
(2) while on furlough under AS 33.30.101 — 33.30.131, the person fails to return to the place of confinement or residence within the time authorized by those having direct supervision.
(b) Unlawful evasion in the first degree is a class C felony.