A commissioner for oaths is a person authorized by law to administer oaths and witness affidavits. Though the term is standard in many jurisdictions, there are several synonyms used to describe such officials. In the United States, commissioners for oaths are often referred to as notaries public. In other countries such as Canada, they may be referred to as commissioners of affidavits or commissioners of oaths and declarations. Other synonyms include oath commissioners, sworn notaries, and authorized officers. Regardless of the term used, these officials play an important role in ensuring the authenticity and legality of sworn statements and oaths.