To access financial information, you must have the 'Access billing information' global permission in your role.
This type of billing is based on time entries. Each time entry is billed at an hourly rate indicated by the user who has added the entry. Only billable time entries apply.
Time entries referred to above are construed to include ones entered in the time log as part of Hourly Rate billing activities only. Only time entries flagged as Billable count.
Project billing settings are used to produce billing reports.