Sec. 19. (a) This section applies to an individual who:
(1) holds a valid Indiana teaching license;
(2) holds a valid teaching license subsequently issued by another state (excluding a teaching license equivalent to an Indiana temporary or emergency teaching license) in an additional content area or areas; and
(3) was required to pass a content licensure test to obtain the license described in subdivision (2).
(b) The department shall grant an application to add the additional content area or areas described in subsection (a)(2) to a valid Indiana teaching license submitted by an individual described in subsection (a).