To submit a proposal under Rule 14a-8, shareholders are required to prove that they satisfy minimum ownership requirements. A shareholder whose name does not appear in the company's records or in beneficial ownership forms filed with the SEC must provide a letter from the record holder verifying the shareholder's ownership. In these instances, the shareholder will likely hold its securities in "book-entry" form through a broker, bank or other securities intermediary that will have deposited the securities with the Depository Trust Company (DTC) to facilitate prompt clearance and settlement. The securities intermediaries that deposit securities with the DTC, known as DTC participants, are considered the record holders of those securities. A list of DTC participants is available here.