Acknowledgement Form. An acknowledgment is one of the most common types of notarial acts, but it often confuses Notaries.Here are 5 steps to performing an acknowledgment. The PDF version of these forms are FILLABLE. They can be filled out electronically, then printed. Most forms may be filled out on your computer, printed and submitted for filing with the Department of State. I'm going to take a minute here and we're going to cover how to properly do an all-purpose acknowledgement for the state of California. This online program from Family Legal Care guides you through filling out a Petition to Vacate Acknowledgment of Parentage form. You may download our patient forms and fill them out in advance to save time when you come in for your consultation. The attached application MUST be typewritten and signed.