(a) The department shall destroy any genetic material obtained from a child under this chapter not later than the second anniversary of the date the department receives the genetic material unless a parent, managing conservator, or guardian of the child consents to disclosure under Section 33.018(c-1).
(b) The department shall destroy any genetic material obtained from a child under this chapter not later than the second anniversary of the date the department receives the genetic material if:
(1) a parent, managing conservator, or guardian of the child consents to disclosure under Section 33.018(c-1);
(2) the parent, managing conservator, or guardian who consented to the disclosure revokes the consent under Section 33.018(i); and
(3) the department receives the written revocation of consent under Section 33.018(i) not later than the second anniversary of the date the department received the genetic material.
(c) The department shall destroy any genetic material obtained from a child under this chapter not later than the 60th day after the date the department receives a written revocation of consent under Section 33.018(i) if:
(1) a parent, managing conservator, or guardian of the child consented to disclosure under Section 33.018(c-1);
(2) the parent, managing conservator, or guardian who consented to the disclosure or the child revokes the consent under Section 33.018(i); and
(3) the department receives the written revocation of consent later than the second anniversary of the date the department received the genetic material.