Contract
Billable projects (determined by the Billing Type field on the Accounting tab) must be associated to a contract if the project's Original or Revised Begin Date (from the Budget tab) is on or after the date in the Billable Projects Require Contracts As Of (YYYY-MM-DD) (unanet.billable.projects.asof.date) property.
Note: Contract and project must be in the same owning organization hierarchy.