South Dakota Registration Rights Agreement is a legal contract between Turn stone Systems, Inc. and a purchaser that pertains to the registration of certain securities issued by Turn stone Systems, Inc. in the state of South Dakota. This agreement grants the purchaser certain rights and privileges related to the registration of these securities, including the ability to request an issuer registration statement from Turn stone Systems, Inc., and the inclusion of their securities in any registration statements filed by the company with the Securities and Exchange Commission (SEC). The South Dakota Registration Rights Agreement ensures that the purchaser has the opportunity to have their securities registered and sold in compliance with applicable laws and regulations in South Dakota. It helps protect the purchaser's investment by facilitating liquidity and marketability of the securities. There may be different types of South Dakota Registration Rights Agreements between Turn stone Systems, Inc. and the purchaser, which may include: 1. Demand Registration Rights: This type of agreement allows the purchaser to request that Turn stone Systems, Inc. registers their securities for sale in the market. The purchaser can demand the company to initiate the registration process on their behalf. 2. Piggyback Registration Rights: This type of agreement enables the purchaser to have their securities included in any registration statements filed by Turn stone Systems, Inc. with the SEC. The purchaser can "piggyback" on the issuer's registration statement and offer their securities for sale at the same time. 3. Shelf Registration Rights: This type of agreement provides the purchaser with the ability to have their securities registered on a "shelf" registration statement. This allows them to offer their securities for sale periodically, as and when they desire, without having to engage in the traditional registration process each time. 4. Form S-3 Registration Rights: In some cases, the South Dakota Registration Rights Agreement may specify the use of Form S-3 for registration purposes. Form S-3 is a streamlined registration form available to well-established issuers who meet certain eligibility requirements, which can expedite the registration process for the purchaser. In summary, the South Dakota Registration Rights Agreement between Turn stone Systems, Inc. and a purchaser provides the purchaser with certain rights and privileges related to the registration and sale of securities in South Dakota. The agreement may include various types of registration rights such as demand registration, piggyback registration, shelf registration, and utilization of Form S-3.