Period management You can add, edit, and delete periods on the Managing Periods tab. Adding periods Log in to HR Service Delivery. Click Knowledgebase to open the navigation panel. Select Administration > Total Rewards Admin > Manage Periods. Click Add. Specify this information: Code Specify the period code. Start Date Specify the period start date. End Date Specify the period end date. Description Optionally, provide a description for the period. Click Save.