EXHIBIT 32.1

CERTIFICATION

I, Brian F. Lavin, President of NTS Capital Corporation, the general partner of NTS-Properties Associates IV, the general partner of NTS-Properties IV (the “Partnership”), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

The quarterly report on Form 10-Q of the Partnership for the period ended June 30, 2004 (the “Report”) fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934, as amended; and

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Partnership.

Dated: August 16, 2004

/s/ Brian F. Lavin

President of NTS Capital Corporation,
General Partner of NTS-Properties Associates IV,
General Partner of NTS-Properties IV

A signed original of this written statement required by Section 906 has been provided to the Partnership and will be retained by the Partnership and furnished to the Securities and Exchange Commission or its staff upon request.

NTS PROPERTIES IV 10-Q