The Department of Internal Affairs (DIA) (Internal Affairs) (Maori: 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 of the Crown; and advising the government on a range of relevant policies and issues, part of a number of functions performed by Internal Affairs.