EXHIBIT 4.1


                                                 Frank A. Ciccotto, Jr.
                                                 55 Water Street, 45th Floor
New York, NY  10041                              Managing Director
Tel. 212-438-4417                                E-Business Services
Fax 212-438-7748
frank_ciccotto@
standardandpoors.com                                STANDARD & POOR'S
                                         A Division of The McGraw Hill Companies


                                  June 18, 2008


Van Kampen Funds Inc.
522 Fifth Avenue
New York, New York  10036

The Bank of New York
Unit Investment Trust Dept.
2 Hanson Place, 12th Floor
Brooklyn, New York 11217


                Re: Van Kampen Unit Trusts, Municipal Series 702

                  Insured Municipals Income Trust, Series 543


Gentlemen:

   We have examined Registration Statement File No. 333-151552 for the above
mentioned trust. We hereby acknowledge that Standard & Poor's Securities
Evaluations, Inc. is currently acting as the evaluator for the trust. We hereby
consent to the use in the Registration Statement of the references to Standard &
Poor's Securities Evaluations, Inc., as evaluator.

   In addition, we hereby confirm that the ratings indicated in the Registration
Statement for the respective bonds comprising the trust portfolio are the
ratings indicated in our KENNYBASE database as of the date of the evaluation
report.

   You are hereby authorized to a file a copy of this letter with the Securities
and Exchange Commission.

                                                                      Sincerely,

                                                           /s/ Frank A. Ciccotto

                                                               Frank A. Ciccotto
                                                                  Vice President