NY doesn't require you to sign in front of a notary. However, many states like California and Texas do not require notarization, allowing transactions to be finalized with just a signed document.While a bill of sale is generally valid without notarization, there are situations where it becomes a wise precaution. Proof of ownership normally includes a bill of sale. The DMV does not provide a form for a bill of sale. The bill of sale is not required to be notarized or signed under penalties for perjury. 33 Pike Dr. Wayne, NJ 07470. This form is used to obtain a Pennsylvania Certificate of Title for vehicles not currently titled in Pennsylvania, or which were repossessed (1.