Exhibit 99.3

CERTIFICATION PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
(SUBSECTIONS (a) AND (b) OF SECTION 1350, CHAPTER 63 OF TITLE 18,
UNITED STATES CODE)

In connection with the Quarterly Report of Del Taco Income Properties IV (the “Company”) on Form 10-Q for the period ended March 31, 2003 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

     (1)  The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

     (2)  The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:       May 14, 2003	/s/ Kevin K. Moriarty Kevin K. Moriarty Director, Chairman and Chief Executive Officer
Date:       May 14, 2003	/s/ Robert J. Terrano Robert J. Terrano Executive Vice President, Chief Financial Officer