Template:Nutshell 1992 ISDA 12

12. Notices

12(a) Effectiveness. Any communication under this Agreement may be given in any manner described below (except that communications about Events of Default and Termination Events or Early Termination may not be given by electronic messaging system) as set out in the Schedule) and will be effective when delivered:―

(i) By hand: when delivered;

(ii) By telex: when the recipient’s answerback is received;

(iii) By fax: when received in legible form (the burden of proof being on the sender: a transmission report won’t do);

(iv) By registered mail: when delivered (or when delivery is attempted);

(v) By electronic messaging system: when received; or

unless delivery or receipt happens outside ordinary business hours on a Local Business Day, in which case it will be deemed effective on the following Local Business Day.
12(b) Change of Details. Either party may change its contact details by notice.