What happens when someone fails to perform, or you have to contact a party pursuant to a particular contract? Where do you send the notice or other information? A notice clause has each of the parties contact information so that no one can claim they did not get proper notice of something. A notice provision might say something like The parties agree that all notifications to any other party must be sent by overnight mail and by email address to the following Respective parties at the following addresses.Talk to a very experienced business lawyer to understand the best language for your contract.