This falls under Article IV Contest Section 7 of our By Laws - By Laws are under the Administrative menu at the top.
Section 7. During all Regional and State contests the SIJHSAA prohibits the use of all types of noise-makers, confetti, radios, shakers, poms(unless used by cheerleaders), rally towels, thunder sticks, camera lights, laser lights, and also tripods in the stands. Signs must be no larger than a legal sized sheet of paper. (8 1/2 X 14) Body painting materials shall not be administered at games or containers brought on game sites. Body paint may be worn on arms and the face. Appropriate shirts must be worn to all events. Bands are limited to the National Anthem. They are not be be used to give a home game atmosphere nor to create noise or to rally the fans.