MILWAUKEE (AP) — University of Wisconsin System officials are offering campuses guidelines for reopening this fall amid the COVID-19 pandemic.

The Milwaukee Journal Sentinel reports that the system released the guidelines Sundays. The recommendations include putting classes of more than 50 students online, having a plan if COVID-19 cases spike, re-evaluating dorm and dining operations, using masks, and keeping students that share classes together in the dorms.

Rob Cramer, system vice president for administration, told the newspaper that the recommendations are intentionally broad so individual chancellors can make their own decisions about how to handle reopening.

Most UW campuses have announced plans to reopen this fall. Some schools say dorms will be open and be allowed to fill to capacity. Schools also are creating isolation areas where sick students would be quarantined but could still access their courses online and have food delivered to them. Mask requirements will vary from campus to campus. UW-Platteville Chancellor Dennis Shields told the Journal Sentinel that students who won’t wear masks may not be allowed to attend his university.

UW-Madison and UW-Milwaukee, the state’s two largest universities, have yet to announce any reopening plans. A UW-Madison spokesman told the Journal Sentinel that school may release something by next week.