Exhibit 99.906.CERT

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION
906 OF THE SARBANES-OXLEY ACT OF 2002

I, Jean Bernhard Buttner, Chairman and President of the Value Line Tax US
Government Securities Fund, Inc. (the "Registrant"), certify that:

1.    The periodic report on Form N-CSR of the Registrant for the period ended
      8/31/05 (the "Form N-CSR") fully complies with the requirements of Section
      13(a) or 15(d) of the Securities Exchange Act of 1934, and

2.    The information contained in the Form N-CSR fairly presents, in all
      material respects, the financial condition and results of operations of
      the Registrant.

Date: 10/31/05

                              By: /s/ Jean Bernhard Buttner
                                  ----------------------------------------------
                                                 Jean Bernhard Buttner
                                                Chairman and President
                                  Value Line US Government Securities Fund, Inc.



CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION
906 OF THE SARBANES-OXLEY ACT OF 2002

I, David T. Henigson, Vice President and Secretary/Treasurer of the Value Line
US Government Securities Fund, Inc. (the "Registrant"), certify that:

1.    The periodic report on Form N-CSR of the Registrant for the period ended
      8/31/05 (the "Form N-CSR") fully complies with the requirements of Section
      13(a) or 15(d) of the Securities Exchange Act of 1934, and

2.    The information contained in the Form N-CSR fairly presents, in all
      material respects, the financial condition and results of operations of
      the Registrant.

Date: 10/31/05

                             By: /s/ David T. Henigson
                                  ----------------------------------------------
                                                 David T. Henigson
                                     Vice President and Secretary/Treasurer
                                  Value Line US Government Securities Fund, Inc.