The university grants the approved leave from studies based upon the Higher Education Ordinance UHRFS 2016:1
You can make an appeal if your application about approved leave from studies has not been granted. The appeal must be in writing. The registration number, and what desired change to the decision wished for, must be stated in the appeal letter. The appeal letter is to be addressed to the Higher Education Appeals Board (ÖNH) but sent to the registrar at Högskolan i Gävle (HiG), 801 76 Gävle. It should arrive at University of Gävle within three weeks from the day you received the decision.