According to a later memorandum (Jan 9, 1979), the changes in the 1975 memo reflects the changes agreed upon by the ZAC Committee at meetings held on: October 3, 1974, November 7, 1974 and December 5, 1974
Below: the PDF contains various documents that were combined under the date of 1/29/ 1976 according to the list provided by Russell Johnson. This date may refer to a hearing (February 17, 1976?) when these various documents may have been presented.
Ed Nehring, Property Standards Inspector lists previous actions concerning the U2 property (1961-1976)
1961: construction of addition to the press box facilities etc for Dyche Stadium
2. May 8, 1970 NU appeal to use stadium for commercial purposes ( withdrawn on June 16, 1970) and July 1970 Bears court suit vs Evanston and NU (Case #70-CH-3080)
3. March 1, 1971: NU appeals to hold professional football games. Case withdrawn
4. April 20, 1971 Nu appeals to hold pro-tennis matches (ZBA 13-71-A). Case pending before Planning and Development Committee
5. 50 year lease - pending review [ no information on the outcome of the legal dept. inquiry]
6. January 6, 1976 exterior inspection of property (some littering)