Shop stocking stuffers · Explore top gifts. Find the rules for boys'/men's, girls'/women's, box and wheelchair lacrosse, as well as equipment guidelines and field diagrams. USA Lacrosse collaborates with NFHS and NCAA on rule Missing: Pdf. We write and publish a stand-alone youth rule book for ages 14U and below, and in collaboration with the National Federation of State High School Associations (NFHS), we work together on .