MODIFICATION OF OPERATING AGREEMENT OF 237 PARK AVENUE ASSOCIATES, L.L.C. AMENDMENT, dated as of October 10, 1996, among JMB/NYC Office Building Associates, L.P., an Illinois limited partnership ("Investor"), O&Y Equity Company, L.P., as debtor and...Modification of Operating Agreement • December 9th, 1996 • Metropolis Realty Trust Inc
