Exhibit 3.73 Prescribed by Bob Taft, Secretary of State Charter No. 30 East Broad Street, 14th Floor Approved Columbus, Ohio 43266-0418 Date Form C-108 (January 1991) Fee CERTIFICATE OF AMENDED ARTICLES OF INCORPORATION Of The Office Furniture Store, Inc. (Name of Corporation) Kathleen M. Delaney , who is: Chairman of the Board President x Vice President (check one) ----- and Mark D. Director Secretary x Assistant Secretary (check one) ----- / / a meeting of the shareholders was duly called and held on the the day of , 19 ' at which meeting a quorum of the shareholders was present in person or by proxy, and that by the affirmative vote of the holders of shares entitling them to exercise % of the voting power if the corporation, / / in a writing signed by all the shareholders who would be entitled to a notice of a meeting held for that purpose, the following Amended Articles of Incorporation were adopted to supersede and take the place of the existing Articles and all amendments thereto. AMENDED ARTICLES OF INCORPORATION FIRST: The name of the corporation is: The Office Furniture Store, Inc. -- SECOND: The place in the State of Ohio where its principal office is located is in the City of Cincinnati Hamilton County. THIRD: The purposes of the corporation are as follows: To engage in any lawful act or activity for which corporations may be formed under Sections 1201.01 to 1701.98, inclusive, of the Ohio Revised Code. FOURTH: The number of shares which the corporation is authorized to have outstanding is: 1,000 shares of common Stock, with no par value FIFTH: These Amended Articles of Incorporation take the place of and supersede the existing Articles of Incorporation as heretofore amended. IN WITNESS WHEREOF, the above named officers, acting for and on behalf of the corporation, have hereunto subscribed their names this 25th day of September, 1998 THE OFFICE FURNITURE STORE, INC. BY: /s/ Kathleen M. Delaney ---------------------------------- Kathleen M. Delaney (President or Vice President) BY: /s/ Mark D. Director ----------------------------------- Mark D. Director (Secretary or Assistant Secretary) NOM Ohio law does not permit one officer or sign in two capacities. Two separate signatures are required, even if this necessitates the election of a second officer before the filing can be made.