What are the implication of laws where the parties are living in two?
Regarding notices, you have probably seen letters in the mail that have a list of state-specific notices. This is very common for sweepstakes or debt collections, if you live in Colorado, be aware that The simplest catch-all solution is void where prohibited, as in were running a contest for everybody, unless you live somewhere the contest is illegal. If you cant legally enter our contest, then our offer is not meant for you. In your example, if one state requires a particular notice be mailed, but another state allows the notice to simply be posted online, the company will need to make sure that the customers in the state that requires mail will receive a mailed notice. Once the companys done that, it can chose whether to mail the customers from the other state or just post their notice online.