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 Date	/s/ Richard L. Baird, Jr. Signature
Traci Lynn Goldt Witness	Richard L. Baird, Jr. 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 Date	/s/ Frank H. Blatz, Jr Signature
Traci Lynn Goldt Witness	Frank H. Blatz, Jr. 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 Date	/s/ Douglas E. Feldman Signature
Traci Lynn Goldt Witness	Douglas E. Feldman 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 Date	/s/ Peter W. Gavian Signature
Traci Lynn Goldt Witness	Peter W. Gavian 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 Date	/s/ John Guffey, Jr. Signature
Traci Lynn Goldt Witness	John Guffey, Jr. 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 Date	/s/ Barbara Krumsiek Signature
Traci Lynn Goldt Witness	Barbara Krumsiek 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 Date	/s/ M. Charito Kruvant Signature
Traci Lynn Goldt Witness	M. Charito Kruvant 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 Date	/s/ Arthur J. Pugh Signature
Traci Lynn Goldt Witness	Arthur J. Pugh 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 Date	/s/ David R. Rochat Signature
Traci Lynn Goldt Witness	David R. Rochat 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 Date	/s/ D. Wayne Silby Signature
Traci Lynn Goldt Witness	D. Wayne Silby 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 Date	/s/ Ronald Wolfsheimer Signature
Traci Lynn Goldt Witness	Ronald Wolfsheimer Name of Officer