Supreme Court of the United States, Delaware v. Pennsylvania (2023)
“ Although Delaware argues, with some merit, that broadly defining a “money order” as a prepaid instrument used to transmit money to a named payee would render the statute’s separate references to “traveler’s checks” and “other similar written instruments” superfluous, we need not define “money order” in order to conclude that the FDA applies to the Disputed Instruments, since it suffices that the instruments in question be “similar” to a money order; they need not share its definition. ”
