K-12 - When should I submit new diploma signatures? Submit new signatures at the time you place your order (upload the sheet in WebCenter) or before you place your order Related to diploma Related articles K-12- How can our former students order replacement diplomas? Diploma WebCenter Help K-12- Will I have to upload a Namelist for only one Diploma? College & University – How do I submit new Diploma Signatures? K-12- How do I submit new Diploma Signatures?