NicuGal, MSN, RN 2,743 Posts Specializes in NICU, PICU, PACU. Has 30 years experience. Aug 24, 2011 1. OT for the day2. ET for the day3. Retired PRN (we have a retired RN program)4. PRNIf after all that we still have extras we go by a list we keep with cancel dates written in it. If no one wants cancelled then we mandatory cancel by least senior, but we keep dates on that and only cancel in 4 hour blocks unles the person opts to take the whole shift.