A complete notary acknowledgment includes the name(s) of the parties that the notary witnessed sign the document. It is to be completed with blue or black ink only.If you return this form to the sender, service of a summons is deemed complete on the day you sign the acknowledgment of receipt below. San Bernardino County - Local Forms. Your thank you letter should be typed, not handwritten, and formatted in two to three paragraphs as displayed below.