The Utah three (3) day illegal activity eviction notice can be served on a tenant who has committed a lease violation that is incurable (i.e., cannot be fixed), specifically a violation that is also unlawful. Examples of such violations include most felonies, that is drug-related crimes, prostitution, gambling, violent acts, etc. After having been served with the notice, the tenant has three (3) days to vacate the rental unit. If the tenant does not move out by the end of the third day, the landlord has the right to file an eviction lawsuit against them.
Laws – § 78B-6-802(g)