<99B17b>

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.

12/6/2005	/s/ Richard L. Baird, Jr.
Date	Signature
Traci Lynn Goldt	Richard L. Baird, Jr.
Witness	Name of Trustee

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.

12/6/2005	/s/ Frank H. Blatz, Jr
Date	Signature
Traci Lynn Goldt	Frank H. Blatz, Jr.
Witness	Name of Trustee

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.

12/6/2005	/s/ Douglas E. Feldman
Date	Signature
Traci Lynn Goldt	Douglas E. Feldman
Witness	Name of Trustee

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.

12/6/2005	/s/ Peter W. Gavian
Date	Signature
Traci Lynn Goldt	Peter W. Gavian
Witness	Name of Trustee

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.

12/6/2005	/s/ John Guffey, Jr.
Date	Signature
Traci Lynn Goldt	John Guffey, Jr.
Witness	Name of Trustee

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.

12/6/2005	/s/ Barbara Krumsiek
Date	Signature
Traci Lynn Goldt	Barbara Krumsiek
Witness	Name of Trustee

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.

12/6/2005	/s/ M. Charito Kruvant
Date	Signature
Traci Lynn Goldt	M. Charito Kruvant
Witness	Name of Trustee

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.

12/6/2005	/s/ Arthur J. Pugh
Date	Signature
Traci Lynn Goldt	Arthur J. Pugh
Witness	Name of Trustee

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.

12/6/2005	/s/ David R. Rochat
Date	Signature
Traci Lynn Goldt	David R. Rochat
Witness	Name of Trustee

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.

12/6/2005	/s/ D. Wayne Silby
Date	Signature
Traci Lynn Goldt	D. Wayne Silby
Witness	Name of Trustee

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.

01/26/2006	/s/ Ronald Wolfsheimer
Date	Signature
Traci Lynn Goldt	Ronald Wolfsheimer
Witness	Name of Officer