The NCAA accused Kansas basketball of committing "egregious, severe" violations in a 92-page letter.
The Jayhawks are charged with five Level I violations, including a lack of institutional control. Bill Self is also individually charged with several violations relating to his responsibilities as head coach.
"While the football allegations involve alleged Level II and III violations, which are serious alleged violations, there can be no doubt the men's basketball allegations are egregious, severe and are the kind that significantly undermine and threaten the NCAA Collegiate Model.
"The institution secured significant recruiting and competitive advantages by committing alleged Level I men's basketball violations. The institution, in taking its defiant posture in the case, is indifferent to how its alleged violations may have adversely impacted other NCAA institutions who acted in compliance with NCAA legislation," wrote the NCAA in a letter to the university.
The NCAA also said that Kansas assistant Kurtis Townsend "embraced, welcomed and encouraged" Adidas employees to influence high-profile recruits to go to the school.
Kansas released a response to the NCAA, denying all accusations.
"The NCAA enforcement staff's reply does not in any way change the University of Kansas' position that the allegations brought against our men's basketball program are simply baseless and littered with false representations. As the federal trial proved, Adidas employees intentionally concealed impermissible payments from the University and its coaching staff. The University has never denied these impermissible payments were made. For the NCAA enforcement staff to allege that the University should be held responsible for these payments is a distortion of the facts and a gross misapplication of NCAA Bylaws and case precedent."