On this ______ day of. , 20____, before me personally appeared.Use a proper heading. Must be completed in the presence of a Notary. The online application can be filled out electronically and printed out. This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. Use a proper heading. Signature and Date: This displays the signatory's signature and date of signing. Phoenix, Arizona 85003. Phoenix mobile notary services offer a seamless and efficient way to get your documents notarized without the need to visit a physical office.