Whenever an importer of processed tobacco intends to relocate the principal business office, the importer must, before commencing operations at the new location, make application on TTB F 5230.5, and obtain an amended permit. Whenever any change occurs in the address, but not the location, of the principal business office of an importer of processed tobacco, as a result of action of local authorities, the importer must, within 30 days of such change, make application on TTB F 5230.5 for an amended permit.