Inland Revenue or Inland Revenue Department (IRD; Māori: Te Tari Taake) is the public service department of New Zealand charged with advising the government on tax policy, collecting and disbursing payments for social support programmes, and collecting tax.

[4] Inland Revenue's Māori name, Te Tari Taake, means 'The Department of Tax'.

Other services included law and order, housing and community development, environmental protection, defence, transport, and heritage, culture and recreation.

The department administers the following social support programmes: Legislation administered by Inland Revenue includes:[8] Inland Revenue has been criticised for what are seen as heavy handed tactics when forcing payment from debtors, specifically those owing tax arrears and child support payments, and for charging excessive penalties on debts which result in debtors falling into a cycle whereby they are unable to pay the growing amounts they owe.

[10][11][12] The number of people threatening self-harm in phone calls to Inland Revenue has trended down consistently over the last three years.