(a) Except as provided under subsection (b) of this section, a person classified by an institution of higher education as a resident of this state under this subchapter is entitled, without submitting the information required by §21.24 and §21.25 of this subchapter, to be classified as a resident by any institution in each subsequent academic term in which the person enrolls unless the person provides information to the institution that indicates a change in resident status is appropriate as indicated in §21.27 of this subchapter.(b) If a person is not enrolled in an institution of higher education for two or more consecutive regular semesters, then the person must reapply for resident status and shall submit the information required in §21.24 and §21.25 of this subchapter and satisfy all the applicable requirements to establish residency.