If you need to change your deadline dates you can change the Custom Page Ready Date and the All Pages Print Ready Date on your site.
1. Log in and select Editor Tools.
2. In Dashboard you will see your current deadline dates in the Dates box. Click on the calendar for the Custom Page Ready Date or the All Pages Print Ready Date and choose a new date.
3. If you change the All Pages Print Ready Date your Delivery Date will automatically update to 4 weeks from the new date.