Document:

<PAGE>   1
                                                                     Exhibit 4.6
                              VORNADO REALTY TRUST

                  ARTICLES OF AMENDMENT OF DECLARATION OF TRUST

THIS IS TO CERTIFY THAT:

                  FIRST: The Amended and Restated Declaration of Trust, as
amended (the "Declaration of Trust"), of Vornado Realty Trust, a Maryland real
estate investment trust (the "Trust"), is hereby amended by deleting Article VI,
Section 6.1 of the Declaration of Trust in its entirety and replacing it with
the following:

                  "SECTION 6.1 AUTHORIZED SHARES. The total number of shares of
                  beneficial interest which the Trust is authorized to issue is
                  440,000,000 shares, of which 70,000,000 shall be preferred
                  shares of beneficial interest, no par value per share
                  ("Preferred Stock") (including 5,789,239 $3.25 Series A
                  Convertible Preferred Shares of Beneficial Interest,
                  liquidation preference $50.00 per share; 3,400,000 8.5% Series
                  B Cumulative Redeemable Preferred Shares of Beneficial
                  Interest, liquidation preference $25.00 per share; 4,600,000
                  8.5% Series C Cumulative Redeemable Preferred Shares of
                  Beneficial Interest, liquidation preference $25.00 per share;
                  3,500,000 Series D-1 8.5% Cumulative Redeemable Preferred
                  Shares of Beneficial Interest, liquidation preference $25.00
                  per share; 549,336 8.375% Series D-2 Cumulative Redeemable
                  Preferred Shares of Beneficial Interest, liquidation
                  preference $50.00 per share; 8,000,000 Series D-3 8.25%
                  Cumulative Redeemable Preferred Shares of Beneficial Interest,
                  liquidation preference $25.00 per share; 5,000,000 Series D-4
                  8.25% Cumulative Redeemable Preferred Shares of Beneficial
                  Interest, liquidation preference $25.00 per share; 7,480,000
                  Series D-5 8.25% Cumulative Redeemable Preferred Shares of
                  Beneficial Interest, liquidation preference $25 per share;
                  1,000,000 Series D-6 8.25% Cumulative Redeemable Preferred
                  Shares of Beneficial Interest, liquidation preference $25.00
                  per share and 7,200,000 Series D-7 8.25% Cumulative Redeemable
                  Preferred Shares of Beneficial Interest, liquidation
                  preference $25.00 per share), 150,000,000 shares shall be
                  common shares of beneficial interest, $.04 par value per share
                  ("Common Stock"), and 220,000,000 shares shall be excess
                  shares of beneficial interest, $.04 par value per share
                  ("Excess Stock").

                  SECOND: The foregoing amendment has been approved by the Board
of Trustees of the Trust as required by Section 8-203(a)(7) of the Maryland REIT
Law and Article IX, Section 9.1(b) of the Declaration of Trust.

                  THIRD: The total number of shares of beneficial interest which
the Trust had authority to issue immediately prior to this amendment was
390,000,000,
<PAGE>   2
consisting of 150,000,000 common shares of beneficial interest,
$.04 par value per share, 45,000,000 preferred shares of beneficial interest, no
par value per share, and 195,000,000 excess shares of beneficial interest, $.04
par value per share. The aggregate par value of all authorized shares of
beneficial interest having par value was $13,800,000.

                  FOURTH: The number of shares of beneficial interest which the
Trust has authority to issue pursuant to the foregoing amendment is 440,000,000,
consisting of 150,000,000 common shares of beneficial interest, $.04 par value
per share, 70,000,000 preferred shares of beneficial interest, no par value per
share, and 220,000,000 excess shares of beneficial interest, $.04 par value per
share. The aggregate par value of all authorized shares of beneficial interest
having par value is $14,800,000.

                  FIFTH: The undersigned Chairman of the Board acknowledges this
amendment to be the trust act of the Trust and, as to all matters or facts
required to be verified under oath, the undersigned Chairman of the Board
acknowledges that, to the best of his knowledge, information and belief, these
matters and facts are true in all material respects and that this Statement is
made under the penalties for perjury.

            [THE REMAINDER OF THE PAGE IS INTENTIONALLY LEFT BLANK]

                                       2
<PAGE>   3
                        IN WITNESS WHEREOF, the Trust has caused this amendment
to be signed in its name and on its behalf by its Chairman of the Board and
attested to by its Assistant Secretary on this 14th day of September, 2000.

ATTEST:                                       VORNADO REALTY TRUST
/s/ Larry Portal                              /s/ Steven Roth             [SEAL]
___________________________________           __________________________________
Name:   Larry Portal                          Name:    Steven Roth
Title:  Assistant Secretary                   Title:   Chairman of the Board

                                       3<PAGE>   1
                                                                    Exhibit 4.35

                                   FIFTEENTH
                                    AMENDMENT
                                       TO
                           SECOND AMENDED AND RESTATED
                        AGREEMENT OF LIMITED PARTNERSHIP
                                       OF
                               VORNADO REALTY L.P.

                          Dated as of December 15, 2000

                  THIS FOURTEENTH AMENDMENT TO THE SECOND AMENDED AND RESTATED
AGREEMENT OF LIMITED PARTNERSHIP OF VORNADO REALTY L.P. (this "Amendment") is
hereby adopted by Vornado Realty Trust, a Maryland real estate investment trust
(defined herein as the "General Partner"), as the general partner of Vornado
Realty L.P., a Delaware limited partnership (the "Partnership"). For ease of
reference, capitalized terms used herein and not otherwise defined have the
meanings assigned to them in the Second Amended and Restated Agreement of
Limited Partnership of Vornado Realty, L.P., as amended by the Amendment to
Second Amended and Restated Agreement of Limited Partnership of Vornado Realty
L.P., dated as of December 16, 1997, and further amended by the Second Amendment
to Second Amended and Restated Agreement of Limited Partnership of Vornado
Realty, L.P., dated as of April 1, 1997, and the Third Amendment to Second
Amended and Restated Agreement of Limited Partnership of Vornado Realty, L.P.,
dated as of November 12, 1998, and the Fourth Amendment to Second Amended and
Restated Agreement of Limited Partnership of Vornado Realty, L.P., dated as of
November 30, 1998, and the Fifth Amendment to the Second Amended and Restated
Agreement of Limited Partnership of Vornado Realty, L.P., dated as of March 3,
1999, and the Sixth Amendment to Second Amended and Restated Agreement of
Limited Partnership of Vornado Realty, L.P., dated as of March 17, 1999, and the
Seventh Amendment to Second Amended and Restated Agreement of Limited
Partnership of Vornado Realty, L.P., dated as of May 20, 1999, the Eighth
Amendment to Second Amended and Restated Agreement of Limited Partnership of
Vornado Realty, L.P., dated as of May 27, 1999, the Ninth Amendment to Second
Amended and Restated Agreement of Limited Partnership of Vornado Realty, L.P.,
dated as of September 3, 1999, the Tenth Amendment to Second Amended and
Restated Agreement of Limited Partnership of Vornado Realty, L.P., dated as of
September 3, 1999, the Eleventh Amendment to Second Amended and Restated
Agreement of Limited Partnership of Vornado Realty, L.P., dated as of November
24, 1999, the Twelfth Amendment to Second Amended and Restated Agreement of
Limited Partnership of Vornado Realty, L.P., dated as of May 1, 2000, the
Thirteenth Amendment to Second Amended and Restated Agreement of Limited
Partnership, dated as of May 25, 2000, and the Fourteenth Amendment to Second
Amended and Restated Agreement of Limited Partnership, dated as of December 8,
2000 (as so amended and as the same may be further amended, the "Agreement").
<PAGE>   2
                  WHEREAS, the General Partner has determined that the amendment
effected hereby does not adversely affect or eliminate any of the limited
partner rights specified in Section 14.1.C or Section 14.1.D of the Agreement;

                  NOW, THEREFORE, the General Partner hereby amends the
Agreement as follows:

                  1, The existing section 6.1C. is hereby deleted and the
following is substituted therefore:

                           C. Allocation of Nonrecourse Debt. For purposes of
                  Regulations Section 1.752-3(a), the Partners agree that
                  Nonrecourse Liabilities of the Partnership in excess of the
                  sum of the (i) the amount of Partnership Minimum Gain and (ii)
                  the total amount of Nonrecourse Built-in Gain shall be
                  allocated among the Partners in accordance with any
                  permissible method determined by the General Partner.

                  2. Except as expressly amended hereby, the Agreement shall
remain in full force and effect.

                  IN WITNESS WHEREOF, the General Partner has executed this
Amendment as of the date first written above.

                                           VORNADO REALTY TRUST

                                           By:  /s/ Irwin Goldberg
                                                ______________________________
                                                Irwin Goldberg, Vice President
                                                Chief Financial Officer

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00029-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00029-of-00352.parquet"}]]