Iowa Code § 144C.9: Interstate effect of declaration.

Unless otherwise expressly provided in a declaration:

1. It is presumed that the declarant intended to have a declaration executed pursuant to this chapter have the full force and effect of law in any state of the United States, the District of Columbia, and any other territorial possessions of the United States.

2. A declaration or similar instrument executed in another state that complies with the requirements of this chapter may be relied upon, in good faith, by the designee, an alternate designee, and a third party in this state so long as the declaration is not invalid, illegal, or unconstitutional in this state.