(a) The department, the sheriff, or the community supervision and corrections department supervising the defendant, as appropriate:
(1) shall make a reasonable attempt to give any notice required by Article 56A.503(a) or 56A.504:
(A) not later than the 30th day before the date the defendant:
(i) completes the sentence and is released; or
(ii) ceases to be electronically monitored as a condition of release; or
(B) immediately if the defendant escapes from the correctional facility; and
(2) may give the notice by e-mail, if possible.
(b) An attempt by the department, the sheriff, or the community supervision and corrections department supervising the defendant to give notice to a victim or witness at the victim’s or witness’s last known mailing address or, if notice by e-mail is possible, last known e-mail address, as shown on the records of the appropriate department or agency, constitutes a reasonable attempt to give notice under this subchapter.