Approval Group
This field is available for cloud customers only and is controlled by this property - Require Approvals Customer Invoice (approval_process.require.approval.customer_invoice) - with the following options:
This field can be set for standalone or lead projects only. Contributor projects inherit the approval group from the lead project. If a contributor project is changed to a standalone or lead project, then the approval group is inherited from the former lead project, but it can be changed.
All active AR approval groups are available for selection.