A notary takes a deposition by administering an oath to the deponent (witness), then recording their answers to questions asked by attorneys during a deposition session, ensuring the testimony is truthful and properly documented, usually by signing and certifying the deposition transcript; the specific process can vary depending on state laws, but generally involves verifying the deponent’s identity and overseeing the question-and-answer exchange throughout the deposition. 

Key points about notaries taking depositions: