if you provide as much information as possible about your requirements and also understand how PaperCut MF pricing works. PaperCut pricing is based on the number of users you wish to be monitored by PaperCut. This is usually the number of users in the domain / directory. Tracking (and hence licensing) a <a href="http://www.papercut.com/kb/Main/ImportingASubsetOfUsers" target="_blank" rel="noopener">subset</a> of users is supported e.g. students but not staff. If an organization wants to monitor the printing of a subset of their users but there are technical difficulties importing just those users into PaperCut, then a <a href="http://www.papercut.com/kb/Main/ApplyingForAnException" target="_blank" rel="noopener">license exception</a> may be applicable