The Illinois Oath of Office is a mandatory oath taken by public officials in the state of Illinois. It is a sworn promise to uphold the state and federal constitutions, laws, and regulations, and to faithfully discharge the duties of the office. The Oath of Office is typically administered by the relevant state or county clerk when a person is elected or appointed to a public office. The Illinois Oath of Office comes in two forms: the General Oath of Office, and the Special Oath of Office. The General Oath of Office is the most common version and is taken by all elected or appointed public officials in the state. This oath includes a promise to uphold the state and federal constitutions, laws, and regulations, and to faithfully discharge the duties of the office. The Special Oath of Office is taken by certain public officials, including sheriffs, coroners, and judges. This oath includes a promise to faithfully discharge the duties of the office and a pledge to support the constitutions of the United States and the State of Illinois. The Illinois Oath of Office is a solemn promise to the citizens of the state. It is a commitment to uphold the laws, regulations, and constitutions of the state and nation, and to faithfully serve the people of Illinois as a public official.