1.  Acacia Financial Group, Inc.: Letter from Noreen P. White, Co-President, and Kim M. Whelan, Co-President, dated April 7, 2017

2.  Bond Dealers of America: Letter from Mike Nicholas, Chief Executive Officer, dated March 24, 2017

3.  Fidelity Investments: Letter from Norman L. Ashkenas, Chief Compliance Officer, Fidelity Brokerage Services, LLC, Richard J. O'Brien, Chief Compliance Officer, National Financial Services, LLC, and Jason Linde, Chief Compliance Officer, Fidelity Investments Institutional Services Company, LLC, dated March 24, 2017

4.  Financial Services Institute: Letter from David T. Bellaire, Executive Vice President and General Counsel, dated March 24, 2017

5.  Lewis Young Robertson & Burningham, Inc.: Letter from Laura D. Lewis, Principal, dated March 24, 2017

6.  National Association of Municipal Advisors: Letter from Susan Gaffney, Executive Director, dated March 24, 2017

7.  PFM: Letter from Leo Karwejna, Chief Compliance Officer, Cheryl Maddox, General Counsel, and Catherine Humphrey-Bennett, Municipal Advisory Compliance Officer, dated March 23, 2017

8.  Securities Industry and Financial Markets Association: Letter from Leslie M. Norwood, Managing Director and Associate General Counsel, dated March 24, 2017

9.  Strategic Insight: Letter from Paul Curley, Director of College Savings Research, dated May 16, 2017

10.  Third Party Marketers Association: Letter from Donna DiMaria, Chairman of the Board of Directors and Chair of the 3PM Regulatory Committee, dated March 23, 2017

11.  Wells Fargo Advisors: Letter from Robert J. McCarthy, Director of Regulatory Policy, dated March 24, 2017