Open the labor schedule and click the Periods tab.
The labor schedule periods are displayed including begin date, end date,
period status, and effort period begin and end dates. Use the Status column to
close labor schedule periods. Periods are created in an Open status. Use the Status field to control what is displayed on
labor distribution entry and adjustment forms. After effort has been certified
for a period, change the period status to Closed. The period is no longer displayed on labor distribution
adjustment forms.