POWER OF ATTORNEY

I, the undersigned officer of First Variable Rate Fund for Government Income, Calvert Tax-Free Reserves, Calvert Cash Reserves, The Calvert Fund, and Calvert Municipal Fund, Inc. (each, respectively, the "Fund"), hereby constitute William M. Tartikoff, Lancelot A. King, and Ivy Wafford Duke my true and lawful attorneys, with full power to each of them, to sign for me and in my name in the appropriate capacities, all registration statements and amendments filed by the Fund with any federal or state agency, and to do all such things in my name and behalf necessary for registering and maintaining registration or exemptions from registration of the Fund with any government agency in any jurisdiction, domestic or foreign.

The same persons are authorized generally to do all such things in my name and behalf to comply with the provisions of all federal, state and foreign laws, regulations, and policy pronouncements affecting the Fund, including, but not limited to, the Securities Act of 1933, the Securities Exchange Act of 1934, the Investment Company Act of 1940, the Investment Advisers Act of 1940, the Internal Revenue Code of 1986, and all state laws regulating the securities industry.

The same persons are further authorized to sign my name to any document needed to maintain the lawful operation of the Fund.

WITNESS my hand on the date set forth below.

January 6, 2007	/s/ Richard L. Baird
Date	Signature
/s/ Deanna M. Baird	Richard L. Baird, Jr.
Witness Signature	Name of Trustee
Deanna M. Baird
Witness Name (Printed)

POWER OF ATTORNEY

I, the undersigned officer of First Variable Rate Fund for Government Income, Calvert Tax-Free Reserves, Calvert Cash Reserves, The Calvert Fund, and Calvert Municipal Fund, Inc. (each, respectively, the "Fund"), hereby constitute William M. Tartikoff, Lancelot A. King, and Ivy Wafford Duke my true and lawful attorneys, with full power to each of them, to sign for me and in my name in the appropriate capacities, all registration statements and amendments filed by the Fund with any federal or state agency, and to do all such things in my name and behalf necessary for registering and maintaining registration or exemptions from registration of the Fund with any government agency in any jurisdiction, domestic or foreign.

The same persons are authorized generally to do all such things in my name and behalf to comply with the provisions of all federal, state and foreign laws, regulations, and policy pronouncements affecting the Fund, including, but not limited to, the Securities Act of 1933, the Securities Exchange Act of 1934, the Investment Company Act of 1940, the Investment Advisers Act of 1940, the Internal Revenue Code of 1986, and all state laws regulating the securities industry.

The same persons are further authorized to sign my name to any document needed to maintain the lawful operation of the Fund.

WITNESS my hand on the date set forth below.

Date: 12/06/2005	Signature
	/s/Frank H. Blatz, Jr.
/s/Traci Lynn Goldt	Frank H. Blatz, Jr.
Witness	Name of Trustee
Traci Lynn Goldt
Witness Name (Printed)

POWER OF ATTORNEY

I, the undersigned officer of First Variable Rate Fund for Government Income, Calvert Tax-Free Reserves, Calvert Cash Reserves, The Calvert Fund, and Calvert Municipal Fund, Inc. (each, respectively, the "Fund"), hereby constitute William M. Tartikoff, Lancelot A. King, and Ivy Wafford Duke my true and lawful attorneys, with full power to each of them, to sign for me and in my name in the appropriate capacities, all registration statements and amendments filed by the Fund with any federal or state agency, and to do all such things in my name and behalf necessary for registering and maintaining registration or exemptions from registration of the Fund with any government agency in any jurisdiction, domestic or foreign.

The same persons are authorized generally to do all such things in my name and behalf to comply with the provisions of all federal, state and foreign laws, regulations, and policy pronouncements affecting the Fund, including, but not limited to, the Securities Act of 1933, the Securities Exchange Act of 1934, the Investment Company Act of 1940, the Investment Advisers Act of 1940, the Internal Revenue Code of 1986, and all state laws regulating the securities industry.

The same persons are further authorized to sign my name to any document needed to maintain the lawful operation of the Fund.

WITNESS my hand on the date set forth below.

January 4, 2007	/s/ Douglas E. Feldman M.D.
Date	Signature
/s/ Eileen J. Feldman	Douglas E. Feldman
Witness	Name of Trustee
Eileen J. Feldman____________________
Witness Name (Printed)

POWER OF ATTORNEY

I, the undersigned officer of First Variable Rate Fund for Government Income, Calvert Tax-Free Reserves, Calvert Cash Reserves, The Calvert Fund, and Calvert Municipal Fund, Inc. (each, respectively, the "Fund"), hereby constitute William M. Tartikoff, Lancelot A. King, and Ivy Wafford Duke my true and lawful attorneys, with full power to each of them, to sign for me and in my name in the appropriate capacities, all registration statements and amendments filed by the Fund with any federal or state agency, and to do all such things in my name and behalf necessary for registering and maintaining registration or exemptions from registration of the Fund with any government agency in any jurisdiction, domestic or foreign.

The same persons are authorized generally to do all such things in my name and behalf to comply with the provisions of all federal, state and foreign laws, regulations, and policy pronouncements affecting the Fund, including, but not limited to, the Securities Act of 1933, the Securities Exchange Act of 1934, the Investment Company Act of 1940, the Investment Advisers Act of 1940, the Internal Revenue Code of 1986, and all state laws regulating the securities industry.

The same persons are further authorized to sign my name to any document needed to maintain the lawful operation of the Fund.

WITNESS my hand on the date set forth below.

January 5, 2007	/s/ Peter W. Gavian
Date	Signature
/s/ Sung Gil	Peter W. Gavian
Witness	Name of Trustee
Sung Gil_____
Witness Name (Printed)

POWER OF ATTORNEY

I, the undersigned officer of First Variable Rate Fund for Government Income, Calvert Tax-Free Reserves, Calvert Cash Reserves, The Calvert Fund, and Calvert Municipal Fund, Inc. (each, respectively, the "Fund"), hereby constitute William M. Tartikoff, Lancelot A. King, and Ivy Wafford Duke my true and lawful attorneys, with full power to each of them, to sign for me and in my name in the appropriate capacities, all registration statements and amendments filed by the Fund with any federal or state agency, and to do all such things in my name and behalf necessary for registering and maintaining registration or exemptions from registration of the Fund with any government agency in any jurisdiction, domestic or foreign.

The same persons are authorized generally to do all such things in my name and behalf to comply with the provisions of all federal, state and foreign laws, regulations, and policy pronouncements affecting the Fund, including, but not limited to, the Securities Act of 1933, the Securities Exchange Act of 1934, the Investment Company Act of 1940, the Investment Advisers Act of 1940, the Internal Revenue Code of 1986, and all state laws regulating the securities industry.

The same persons are further authorized to sign my name to any document needed to maintain the lawful operation of the Fund.

WITNESS my hand on the date set forth below.

January 5, 2007	/s/ John S. Guffey
Date	Signature
/s/ Sharon Orbach	John Guffey, Jr.
Witness	Name of Trustee
Sharon Orbach_____
Witness Name (Printed)

POWER OF ATTORNEY

I, the undersigned officer of First Variable Rate Fund for Government Income, Calvert Tax-Free Reserves, Calvert Cash Reserves, The Calvert Fund, and Calvert Municipal Fund, Inc. (each, respectively, the "Fund"), hereby constitute William M. Tartikoff, Lancelot A. King, and Ivy Wafford Duke my true and lawful attorneys, with full power to each of them, to sign for me and in my name in the appropriate capacities, all registration statements and amendments filed by the Fund with any federal or state agency, and to do all such things in my name and behalf necessary for registering and maintaining registration or exemptions from registration of the Fund with any government agency in any jurisdiction, domestic or foreign.

The same persons are authorized generally to do all such things in my name and behalf to comply with the provisions of all federal, state and foreign laws, regulations, and policy pronouncements affecting the Fund, including, but not limited to, the Securities Act of 1933, the Securities Exchange Act of 1934, the Investment Company Act of 1940, the Investment Advisers Act of 1940, the Internal Revenue Code of 1986, and all state laws regulating the securities industry.

The same persons are further authorized to sign my name to any document needed to maintain the lawful operation of the Fund.

WITNESS my hand on the date set forth below.

January 4, 2007	/s/ Barbara Krumsiek
Date	Signature
Matthew B. Moore	Barbara Krumsiek
Witness	Name of Trustee
Matthew B. Moore
Witness Name (Printed)

POWER OF ATTORNEY

I, the undersigned officer of First Variable Rate Fund for Government Income, Calvert Tax-Free Reserves, Calvert Cash Reserves, The Calvert Fund, and Calvert Municipal Fund, Inc. (each, respectively, the "Fund"), hereby constitute William M. Tartikoff, Lancelot A. King, and Ivy Wafford Duke my true and lawful attorneys, with full power to each of them, to sign for me and in my name in the appropriate capacities, all registration statements and amendments filed by the Fund with any federal or state agency, and to do all such things in my name and behalf necessary for registering and maintaining registration or exemptions from registration of the Fund with any government agency in any jurisdiction, domestic or foreign.

The same persons are authorized generally to do all such things in my name and behalf to comply with the provisions of all federal, state and foreign laws, regulations, and policy pronouncements affecting the Fund, including, but not limited to, the Securities Act of 1933, the Securities Exchange Act of 1934, the Investment Company Act of 1940, the Investment Advisers Act of 1940, the Internal Revenue Code of 1986, and all state laws regulating the securities industry.

The same persons are further authorized to sign my name to any document needed to maintain the lawful operation of the Fund.

WITNESS my hand on the date set forth below.

January 4, 2007	/s/ M. Charito Kruvant
Date	Signature
/s/ John O'Connell	M. Charito Kruvant
Witness	Name of Trustee
John O'Connell
Witness Name (Printed)

POWER OF ATTORNEY

I, the undersigned officer of First Variable Rate Fund for Government Income, Calvert Tax-Free Reserves, Calvert Cash Reserves, The Calvert Fund, and Calvert Municipal Fund, Inc. (each, respectively, the "Fund"), hereby constitute William M. Tartikoff, Lancelot A. King, and Ivy Wafford Duke my true and lawful attorneys, with full power to each of them, to sign for me and in my name in the appropriate capacities, all registration statements and amendments filed by the Fund with any federal or state agency, and to do all such things in my name and behalf necessary for registering and maintaining registration or exemptions from registration of the Fund with any government agency in any jurisdiction, domestic or foreign.

The same persons are authorized generally to do all such things in my name and behalf to comply with the provisions of all federal, state and foreign laws, regulations, and policy pronouncements affecting the Fund, including, but not limited to, the Securities Act of 1933, the Securities Exchange Act of 1934, the Investment Company Act of 1940, the Investment Advisers Act of 1940, the Internal Revenue Code of 1986, and all state laws regulating the securities industry.

The same persons are further authorized to sign my name to any document needed to maintain the lawful operation of the Fund.

WITNESS my hand on the date set forth below.

January 4, 2007	/s/ Arthur J. Pugh
Date	Signature
Sharon H. Pugh	Arthur J. Pugh
Witness	Name of Trustee
Sharon H. Pugh___
Witness Name (Printed)

POWER OF ATTORNEY

I, the undersigned officer of First Variable Rate Fund for Government Income, Calvert Tax-Free Reserves, Calvert Cash Reserves, The Calvert Fund, and Calvert Municipal Fund, Inc. (each, respectively, the "Fund"), hereby constitute William M. Tartikoff, Lancelot A. King, and Ivy Wafford Duke my true and lawful attorneys, with full power to each of them, to sign for me and in my name in the appropriate capacities, all registration statements and amendments filed by the Fund with any federal or state agency, and to do all such things in my name and behalf necessary for registering and maintaining registration or exemptions from registration of the Fund with any government agency in any jurisdiction, domestic or foreign.

The same persons are authorized generally to do all such things in my name and behalf to comply with the provisions of all federal, state and foreign laws, regulations, and policy pronouncements affecting the Fund, including, but not limited to, the Securities Act of 1933, the Securities Exchange Act of 1934, the Investment Company Act of 1940, the Investment Advisers Act of 1940, the Internal Revenue Code of 1986, and all state laws regulating the securities industry.

The same persons are further authorized to sign my name to any document needed to maintain the lawful operation of the Fund.

WITNESS my hand on the date set forth below.

January 10, 2007	/s/ David Rochat
Date	Signature
/s/ James S. Watson	David R. Rochat
Witness	Name of Trustee
James S. Watson
Witness Name (Printed)

POWER OF ATTORNEY

I, the undersigned officer of First Variable Rate Fund for Government Income, Calvert Tax-Free Reserves, Calvert Cash Reserves, The Calvert Fund, and Calvert Municipal Fund, Inc. (each, respectively, the "Fund"), hereby constitute William M. Tartikoff, Lancelot A. King, and Ivy Wafford Duke my true and lawful attorneys, with full power to each of them, to sign for me and in my name in the appropriate capacities, all registration statements and amendments filed by the Fund with any federal or state agency, and to do all such things in my name and behalf necessary for registering and maintaining registration or exemptions from registration of the Fund with any government agency in any jurisdiction, domestic or foreign.

The same persons are authorized generally to do all such things in my name and behalf to comply with the provisions of all federal, state and foreign laws, regulations, and policy pronouncements affecting the Fund, including, but not limited to, the Securities Act of 1933, the Securities Exchange Act of 1934, the Investment Company Act of 1940, the Investment Advisers Act of 1940, the Internal Revenue Code of 1986, and all state laws regulating the securities industry.

The same persons are further authorized to sign my name to any document needed to maintain the lawful operation of the Fund.

WITNESS my hand on the date set forth below.

January 9, 2007	/s/ D. Wayne Silby
Date	Signature
/s/ Xin wang	D. Wayne Silby
Witness	Name of Trustee
Xin Yang_____________
Witness Name (Printed)