The Arkansas School Band and Orchestra Association Required Music List can be accessed here.
To add a piece to the ASBOA list, follow this link and complete the form.
From the ASBOA website:
Requests must be in the hands of your Region’s Music Materials Committee member by December 15 for the following semester or May 1 for the following school year. The Music Materials Committee will meet during Christmas Break. Approved pieces will be added to the list on the ASBOA web site as soon as possible after that meeting. At that time each piece will be available for any ensemble to perform at region contest.