The university has been 'lax' about/in enforcing these rules.
He wrote an essay condemning the moral 'laxity' in society.
their 'laxness' [='laxity'] in enforcing these rules
(..) There's something you should know. The reason they don't have money... I told Norther about the vagaries of Texas oil money... ...and its effect on real-estate prices... ...and how lax enforcement of fiduciary process... ...had made savings and loans particularly vulnerable. Hearing this news, (..)2003 Big Fish