The Department of Internal Affairs (DIA; Māori: Te Tari Taiwhenua) is the public service department of New Zealand charged with issuing passports; administering applications for citizenship and lottery grants; enforcing censorship and gambling laws; registering births, deaths, marriages and civil unions; supplying support services to ministers; and advising the government on a range of relevant policies and issues. Other services provided by the department include a translation service, publication of the New Zealand Gazette (the official government newspaper), a flag hire service, management of VIP visits to New Zealand, running the Lake Taupō harbourmaster's office (under a special agreement with the local iwi) and the administration of offshore islands. Source: Wikipedia (en)