EXHIBIT 3.6

                       EQUITY RESIDENTIAL PROPERTIES TRUST

                             ARTICLES SUPPLEMENTARY
                                     TO THE
                SECOND AMENDED AND RESTATED DECLARATION OF TRUST


             EQUITY RESIDENTIAL PROPERTIES TRUST, a Maryland real estate
investment trust, having its principal office in Baltimore City, Maryland
(hereinafter called the "Trust"), hereby certifies to the State Department of
Assessments and Taxation of Maryland (the "MSDAT") that:

             FIRST: Pursuant to authority expressly vested in the Board of
Trustees of the Trust by Sections 5.3 and 5.4 of the Second Amended and Restated
Declaration of Trust of the Trust (the "Declaration of Trust"), the Board of
Trustees has duly divided and classified 220,000 preferred shares of beneficial
interest, par value $.01 per share, of the Trust (the "Unclassified Preferred
Shares") into additional preferred shares of beneficial interest of a series
heretofore designated as "8.50% Series M-1 Cumulative Redeemable Preferred
Shares of Beneficial Interest, par value $.01 per share (Liquidation Preference
$50.00 Per Share)" of the Trust (the "Series M-1 Preferred Shares") and has
provided for the issuance of such additional shares of such series.

             SECOND: The reclassification increases the number of shares
classified as the Series M-1 Preferred Shares from 1,100,000 shares immediately
prior to the reclassification to 1,320,000 shares immediately after the
reclassification. The reclassification decreases the number of shares classified
as the Unclassified Preferred Shares from 72,054,348 shares immediately prior to
the reclassification to 71,834,348 shares immediately after the
reclassification.

             THIRD: The terms of the Series M-1 Preferred Shares (including,
preferences, conversion or other rights, voting powers, restrictions,
limitations as to dividends, qualifications, or terms or conditions of
redemption) are as provided in Article First of the Articles Supplementary to
the Declaration of Trust (dated March 8, 2000 and filed with the MSDAT on March
9, 2000) and remain unchanged by these Articles Supplementary.

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             IN WITNESS WHEREOF, EQUITY RESIDENTIAL PROPERTIES TRUST has caused
these presents to be signed in its name and on its behalf by its Executive Vice
President and witnessed by its Secretary on March 23, 2000.

WITNESS:                           EQUITY RESIDENTIAL PROPERTIES TRUST



/s/ Bruce C. Strohm                /s/ Michael J. McHugh
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Bruce C. Strohm, Secretary         Michael J. McHugh, Executive Vice President