Deutsche Asset Management [LOGO] A Member of the Deutsche Bank Group Chief Executive Officer Section 906 Certification under Sarbanes Oxley Act I, Julian Sluyters, certify that: 1. I have reviewed this report, filed on behalf of Investors Florida Municipal Cash Fund, Investors Michigan Municipal Cash Fund, Investors New Jersey Municipal Cash Fund, Investors Pennsylvania Municipal Cash Fund, Tax Exempt New York Money Market Fund, a series of Investors Municipal Cash Fund, on Form N-CSR; 2. Based on my knowledge and pursuant to 18 U.S.C. ss. 1350, the periodic report on Form N-CSR (the "Report") fully complies with the requirements of ss. 13 (a) or ss. 15 (d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. May 31, 2005 /s/Julian Sluyters Julian Sluyters Chief Executive Officer Investors Florida Municipal Cash Fund, Investors Michigan Municipal Cash Fund, Investors New Jersey Municipal Cash Fund, Investors Pennsylvania Municipal Cash Fund, Tax Exempt New York Money Market Fund, a series of Investors Municipal Cash Fund Deutsche Asset Management [LOGO] A Member of the Deutsche Bank Group Chief Financial Officer Section 906 Certification under Sarbanes Oxley Act I, Paul Schubert, certify that: 1. I have reviewed this report, filed on behalf of Investors Florida Municipal Cash Fund, Investors Michigan Municipal Cash Fund, Investors New Jersey Municipal Cash Fund, Investors Pennsylvania Municipal Cash Fund, Tax Exempt New York Money Market Fund, a series of Investors Municipal Cash Fund, on Form N-CSR; 2. Based on my knowledge and pursuant to 18 U.S.C. ss. 1350, the periodic report on Form N-CSR (the "Report") fully complies with the requirements of ss. 13 (a) or ss. 15 (d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. May 31, 2005 /s/Paul Schubert Paul Schubert Chief Financial Officer Investors Florida Municipal Cash Fund, Investors Michigan Municipal Cash Fund, Investors New Jersey Municipal Cash Fund, Investors Pennsylvania Municipal Cash Fund, Tax Exempt New York Money Market Fund, a series of Investors Municipal Cash Fund