In order to properly conduct university business, Duke University requires
every student to keep accurate and current address information on file.
With the exception of addresses linked to campus post office boxes or
residence halls, students can update all of their own address information
via ACES Web.
There are several types of addresses that students are required to
keep up to date. The address usages and requirements are somewhat different
for undergraduate students versus graduate professional students:
Address Policy 
If the above required addresses are not current or correct, Duke University
reserves the right to place restrictions on students' records until
the addresses are updated.