A new definition of MIMO latency was adopted in the July'97 ATM Forum meeting. The appendix of the baseline text needs to be modified to reflect this change. This contribution proposes the revised text. Notice: This contribution has been prepared to assist the ATM Forum. It is offered to the Forum as a basis for discussion and is not a binding proposal on the part of any of the contributing organizations. The statements are subject to change in form and content after further study. Specifically, the contributors reserve the right to add to, amend or modify the statements contained herein.