The Department of Immigration reminds all visitors that established dress code and entry guidelines remain in effect when visiting any Immigration office. All persons are expected to present themselves appropriately and comply When visiting an embassy, it's generally best to dress in business casual or business formal attire. This shows respect for the embassy and the process you're undertaking. For Women: Suits: Tailored pantsuits No more casual: State Department imposes first ever dress code on diplomats : r foreignservice Which dress should I wear? Get ready with me for an embassy gala in Washington, DC