Add an invoice, the invoice starts in Draft status. Enter all necessary information, upload invoice if necessary, and select one or multiple running cost categories.

Click the "Send to Approval" button from the top right.

Review can be done under the "Open" submenu. Every running cost category may have different reviewer(s). Select the invoice and then click the "Review" button from the top right.

Approve can be done under the "Open" submenu. Every running cost category may have different approver(s). Select the invoice and then click the "Approve" button from the top right.

Verification can be done under the "Open" submenu. Select the invoice and then click the "Verify" button from the top right.

Verifier has overriding authority and can verify invoices even if review or approve is not complated.