Which of the following is NOT a requirement for a valid notarization?

The requirement that a notarization must occur in a specific location is not accurate and does not represent a necessary condition for a valid notarization. While it is essential for the notary to be present at the time of notarization to witness the signing of the document—thus ensuring the presence of the signer—that aspect ties heavily to the requirements of authenticity and legal verification.

Additionally, the notary's signature is essential as it serves to validate the notarial act, coupled with the verification of the signer's identity, which helps prevent fraud and maintain the integrity of the notarization process. Notarizations can occur in various locations, provided the notary is present and the process complies with the relevant laws and regulations. Therefore, there isn't a universal requirement dictating a specific location for notarization; what matters is that the notarization is performed following the correct procedures within the applicable jurisdiction.