; and (III) comply with such other conditions as the Director determines appropriate. (ii) Alternate means of monitoring If the electronic monitoring of a prisoner described in clause (i)(I) is infeasible for technical or religious reasons, the Director of the Bureau of Prisons may use alternative means of monitoring a prisoner placed in home confinement that the Director determines are as effective or more effective than the electronic monitoring described in clause (i)(I). (iii) Modifications The Director of the Bureau of Prisons may modify the conditions described in clause (i) if the Director determines that a compelling reason exists to do so, and that the prisoner has demonstrated exemplary compliance with such conditions. (iv) Duration Except as provided in paragraph (4), a prisoner who is placed in home confinement shall remain in home confinement until the prisoner has served not less than 85 percent of the prisoner’s imposed term of imprisonment. (B) Residential reentry center A prisoner placed in prerelease custody pursuant to this subsection who is placed at a residential reentry center shall be subject to such conditions as the Director of the Bureau of Prisons determines appropriate. (3) Supervised release If the sentencing court included as a part of the prisoner’s sentence a requirement that the prisoner be placed on a term of supervised release after imprisonment pursuant to section 3583, the Director of the Bureau of Prisons may transfer the prisoner to begin any such term of supervised release at an earlier date based on the application of time credits under section 3632. (4) Determination of conditions In determining appropriate conditions for prisoners placed in prerelease custody pursuant to this subsection, the Director of the Bureau of Prisons shall, to the extent practicable, provide that increasingly less restrictive conditions shall be imposed on prisoners who demonstrate continued compliance with the conditions of such prerelease custody, so as to most effectively prepare such