28 CFR 570.32 - Types of furloughs.
(a)Transfer furlough - A furlough for the purpose of transferring an inmate from one Bureau facility to another, a non-federal facility, or community confinement (including home confinement) as noted below at § 570.33(a).
(b)Non-transfer furlough - A furlough for any purpose other than a transfer furlough, and which may be defined based on its nature, as either emergency or routine, as follows:
(2)Routine furlough - A furlough for any of the reasons noted below at § 570.33 (a) and (c) through (j).
(c)Duration and distance of non-transfer furlough -
(1)Day furlough - A furlough within the geographic limits of the commuting area of the institution, which lasts 16 hours or less and ends before midnight.
(2)Overnight furlough - A furlough which falls outside the criteria of a day furlough.