Open a project structure and click the Hierarchy tab.
Select a contract summary project and select Actions > Update.
Click Contract Information.
Click the Posting
Projects tab.
Select Actions > Create Project Billing Overrides From Template.
Specify this information:
Project Billing Override Template
Select a project billing override template to use to add
the billing overrides.
Posting Project
Select a posting project for the project contract to add the
billing overrides. If this field is blank, the billing overrides are
added to all of the posting projects for the project
contract.