PROCESSING_SEQUENCE is a 5 digit numeric field which is used when the default ordering is not getting the desired results.
P2K_TS_TIME_RULES The field allows the user to change the order of time rules within the same frequency. Most common when layering the same time code types.
P2K_AT_LEAVE_POLICY_TYPES This field allows the user to change the order banks get processed by UACALC in.