FEBRUARY 3, 2000
SECURITIES AND EXCHANGE COMMISSION
JUDICIARY PLAZA
450 FIFTH STREET, N.W.
WASHINGTON, D.C.
RE: CALVERT CASH RESERVES
2-76527 AND 811-3418
IN LIEU OF FILING UNDER PARAGRAPH (B) OR (C) OF SECTION 497, THE
ABOVE REGISTRANT IS HEREBY FILING A CERTIFICATION THAT:
(1) THE FORM OF PROSPECTUSES and Statement of Additional Information
THAT WOULD HAVE BEEN FILED UNDER PARAGRAPH (B) OR (C) OF SECTION 497
WOULD NOT HAVE DIFFERED FROM THOSE CONTAINED IN THE MOST RECENT
REGISTRATION STATEMENT (EFFECTIVE JANUARY 31, 2000); AND
(2) THE TEXT OF THE MOST RECENT REGISTRATION STATEMENT (EFFECTIVE
JANUARY 31, 2000) HAS BEEN FILED ELECTRONICALLY.
IF YOU HAVE QUESTIONS OR REQUIRE FURTHER INFORMATION, PLEASE CONTACT
ME AT 301-951-4881.
SINCERELY,
/S/SUSAN WALKER BENDER
SUSAN WALKER BENDER
ASSOCIATE GENERAL COUNSEL
