Example: change of address & the authorities

• It means change of address at “official” places

• • • so you could still get the right official mails for official notices, tax information, certificates, etc.

• … but you never know if you notified the right local, regional, national, etc, authorities, so they all have your new mail address

• • • ie, you still get some mail from some agency at your old address

• It should be possible to change the address in one official place only

• • the administration should be smart enough to propagate the change to authorities that need to know about it
  • this means that various authorities should be able to merge their data…