District of Columbia General Forms (Int)-Notice of Change of Address is a form used by individuals and businesses to update their mailing address with the District of Columbia government. The form must be filled out and filed with the District of Columbia Office of Tax and Revenue. It is important to update your mailing address with the District of Columbia government as it will ensure that any documents or correspondence from the District of Columbia government will reach the intended recipient. There are two types of District of Columbia General Forms (Int)-Notice of Change of Address: one for individuals and another for businesses. The individual form requires the name, new address, social security number, and signature of the individual while the business form requires the name of the business, new address, District of Columbia business identification number, and signature of an authorized representative.