The district courts of the United States and the United States courts of any Territory or other place subject to the jurisdiction of the United States shall have jurisdiction of violations of this subchapter or the rules, regulations, or orders thereunder, and, concurrently with State and Territorial courts, of all suits in equity and actions at law brought to enforce any liability or duty created by, or to enjoin any violation of, this subchapter or the rules, regulations, or orders thereunder.
(a) At least semiannually every registered unit investment trust substantially all the assets of which consist of securities issued by a management company must transmit to each shareholder of record (including record holders of periodic payment plan certificates), a report containing all the applicable information and financial statements or their equivalent, required by § 270.30d-1 to be included in reports of the management company for the same fiscal period. Each of these reports must be transmitted