EXHIBIT 3 ACKNOWLEDGMENT AND AGREEMENT TO TENDER UNITS OF LIMITED PARTNERSHIP UNITS OF CONSOLIDATED CAPITAL INSTITUTIONAL PROPERTIES/3 (THE "PARTNERSHIP") PURSUANT TO AN OFFER TO PURCHASE DATED MAY 8, 2002 (THE "OFFER DATE") BY AIMCO PROPERTIES, L.P....Acknowledgment and Agreement to Tender Units of Limited Partnership • May 8th, 2002 • Aimco Properties Lp • Operators of apartment buildings
