(a) A person receiving assistance who leaves the state may not receive assistance during the absence.
(b) This section does not apply to a recipient who temporarily leaves the state for
(1) medical treatment;
(2) a vacation, business trip, or other absence of less than 30 days unless the time is extended in specific cases by the department;
(3) vocational, professional, or other special education of more than 90 days if a comparable program is not reasonably available in the state; or
(4) postsecondary education.