What do I need to authenticate a document? If you wish to authorize another person or corporation, (tax preparer, family member, etc.These DIY tools ask questions to gather information to fill out the court forms. Faculty and staff do not have the authority to sign legal agreements on behalf of the University of Michigan. A notary public may perform notarial acts that include, but are not limited to, the following: (a) Taking acknowledgments. How does someone else gain signature authority? A notary public may perform notarial acts that include, but are not limited to, the following: (a) Taking acknowledgments. Obtaining Copies of Your Medical Records Release of Information (ROI) Records can be released to anyone that the patient authorizes (in writing). These individuals have the authority and are required to approve various types of employment transactions. Note: Federal law requires a separate authorization to share psychotherapy notes.