The Employer recognizes that advance notice of work schedules is an important factor in a House Officer's ability to manage their professional and personal responsibilities. Effective November 1, 2020, Programs shall post House Officer rotation call/work schedules a minimum of fifteen (15) calendar days prior to the start of the rotation/block. Effective July 1, 2021, Programs shall post House Officer rotation call/work schedules a minimum of thirty (30) calendar days prior the start of the rotation/block. Once posted, work schedules shall not be arbitrarily changed. It is understood, however, that changes to posted schedules may be necessary due to unforeseen circumstances. Operational and patient care needs may require adjustments or additions to posted rotation call/work schedules from time to time, either prior to or during the rotation/block. Programs will attempt to minimize such changes. The Program Director retains sole final discretion to set and revise schedules, and to resolve scheduling disputes. Notwithstanding the foregoing, the Employer is not required to post rotation call/work schedules for the month of July in advance for incoming House Officers.