Lawn and Grounds services must be performed between 8:00am and darkness, or as specified in the LSS. On holidays, mowing shall be performed the next working day following the holiday. Federal holidays are as follows: New Year’s Day, Martin Luther King Jr. Day, President’s Day, Labor Day, Columbus Day, Independence Day, Memorial Day, Juneteenth National Independence Day, Veterans Day, Thanksgiving Day, and Christmas Day. The Contractor must contact the Program Manager (PM) to arrange a service schedule prior to each mowing season. Frequency The exact number of required weekly, bi-weekly, monthly, or seasonal Lawn and Grounds services is unknown and weather-dependent. A scheduled bi-weekly or monthly service may be skipped or rescheduled periodically at the discretion of the PM. In such an event, the PM will notify the Contractor that the service is not needed or has been rescheduled.