The South Dakota Uniform Application to Register Securities (U-1) is a form that is used to register securities with the state of South Dakota. It is an application to register securities under the state's Uniform Securities Act. The form must be completed by the issuer of the securities and includes items such as the issuer's name, address, and description of the securities being registered. It also requires the issuer to provide a prospectus and other required documents. There are two types of South Dakota Uniform Application to Register Securities (U-1). The first is the Long Form U-1, which is used for registering securities that are not publicly traded. The second is the Short Form U-1, which is used for publicly traded securities. Both forms require the issuer to provide detailed financial information about the securities being registered.