Sec. 2. As used in this chapter, "divers down flag" means a flag that:
(1) is at least twelve (12) inches wide by twelve (12) inches high;
(2) is square or rectangular, approximately four (4) units high by five (5) units long; and
(3) has a white diagonal stripe on a red background that begins at the top staff side of the flag and extends diagonally to the opposite lower corner.