Final answer:
If the notarial certificate is missing from a document, the correct course of action would be to obtain a new notarial certificate.
Step-by-step explanation:
If the notarial certificate is missing from a document, the correct course of action would be to obtain a new notarial certificate. A notarial certificate is a crucial component of a legally binding document, as it verifies the authenticity of the signatures and the execution of the document. Without a notarial certificate, the document may not be considered valid or admissible in a court of law. Therefore, it is important to rectify the situation by obtaining a new notarial certificate.