Are you a Pre-Tenured teacher?  If so, you are responsible for the completion of 2 SLO Processes by the March 1st deadline.  As a Tenured teacher you are responsible for 2 SLO Processes per Summative appraisal cycle.  The deadline for completion (for both SLO Processes) for a Tenured teacher is April 15th in the year of the Summative Conference.