The District of Columbia General Forms (SEB)-Notice of Registration is a standard form used by the District of Columbia government to register a business or organization operating in the District of Columbia. The form is used to provide the District of Columbia Office of Tax and Revenue with the necessary information for registering the business or organization, such as the type of business, the address of the business, and the contact information of the business or organization. The form also requires the business or organization to provide the District of Columbia Office of Tax and Revenue with a valid Social Security Number or Employer Identification Number. There are three different types of District of Columbia General Forms (SEB)-Notice of Registration: 1) Business Entity Registration, 2) Non-Profit Registration, and 3) Sole Proprietor Registration.