(a) A short-duration furlough is an authorized leave of absence from a correctional facility for a period not to exceed 12 hours at any one time, except for (1) family visitations, that may not exceed one week or occur more frequently than once in each four-month period; or
(2) medical treatment, for which the furlough may not last longer than necessary for the treatment.
(b) A short-duration furlough may be granted to a prisoner at any time under regulations adopted by the commissioner.