May 3, 2000
SECURITIES AND EXCHANGE COMMISSION
JUDICIARY PLAZA
450 FIFTH STREET, N.W.
WASHINGTON, D.C.
RE: FIRST VARIABLE RATE FUND FOR GOVERNMENT INCOME
2-56809 AND 811-2633
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 FOR CALVERT FIRST GOVERNMENT MONEY MARKET AND THE ADVISOR GROUP
RESERVE FUND A CLASS OF CALVERT FIRST GOVERNMENT WOULD NOT HAVE DIFFERED FROM
THOSE CONTAINED IN THE MOST RECENT REGISTRATION STATEMENT (EFFECTIVE APRIL 30,
2000) OR AMENDMENT; AND
(2) THE TEXT OF THE MOST RECENT REGISTRATION STATEMENT (EFFECTIVE
APRIL 30, 2000) HAS BEEN FILED ELECTRONICALLY.
IF YOU HAVE QUESTIONS OR REQUIRE FURTHER INFORMATION, PLEASE CONTACT
ME AT 301-951-4881.
SINCERELY,
/S/Jennifer Streaks
Jennifer Streaks
ASSOCIATE GENERAL COUNSEL
