Sec. 4. (a) An individual who applies for a license or a license renewal to teach in a public school shall subscribe to the following oath or affirmation, which may be administered by the governing body:
"I solemnly swear (or affirm) that I will support the Constitution of the United States of America and the Constitution of the State of Indiana.".
(b) Two (2) copies of the oath or affirmation shall be executed as follows:
(1) One (1) copy shall be filed with the secretary of education when the license application is made.
(2) The individual who subscribes to the oath or affirmation shall retain the other copy.
(c) The oath or affirmation must be filed with the secretary of education before a license may be issued.