See bottom of page 28:
http://championships.pac-12.org/wp-content/uploads/2014/09/2016-17-P12-Handbook.v5.pdf
"...For each academic year, a Conference member may identify a maximum of four non-qualifiers who have been granted partial waivers by the NCAA IEW Committee permitting them to receive aid and/or practice; these four students shall be eligible for practice, competition, and athletically related financial aid per NCAA rules..."