(a) To complete a parole period, a releasee must serve the entire period of parole.
(b) The time on parole is computed as calendar time.
(c) The division may allow a releasee to serve the remainder of the releasee's sentence without supervision and without being required to report if a parole supervisor at the regional level has approved the releasee's early release from supervision under Section 508.1555.
(d) The division may require a person released from supervision and reporting under Subsection (c) to resubmit to supervision and resume reporting at any time and for any reason.