2018 Due Dates

2018 Due Dates for USA and New Zealand Tax Submissions

2018 income tax filing due dates and payment deadlines for taxpayers with standard balance dates (year ended 31 March 2017 in New Zealand), and 2016/2017 calendar year in the United States, are as follows:

January 15, 2018 New Zealand provisional tax due, second instalment, year ended 31 March 2018.
January 16, 2018 United States estimated tax due, fourth instalment for 2017.
February 7, 2018 New Zealand terminal tax due for taxpayers without extensions of time for filing, for the year ended 31 March 2017.
March 15, 2018 United States filing and payment deadline for 2017 income tax returns for United States corporations without extensions filed.
March 15, 2018 United States filing deadline for 2017 income tax returns for partnerships.
March 31, 2018 New Zealand income tax filing deadline for taxpayers with extensions of time for filing, for the year ended 31 March 2017.
April 7, 2018 New Zealand terminal tax due for taxpayers with extensions of time for filing, for the year ended 31 March 2017.
April 17, 2018 United States filing deadline for 2017 income tax returns for individuals, FBARs United States trusts and estates, Information Returns of U.S. Persons with Respect to Foreign Disregarded Entities and Information Returns of U.S. Persons With Respect to Certain Foreign Corporations, without extensions filed.
April 17, 2018 United States income tax payment deadline for 2017 tax due, for individuals, trusts and estates, with or without extensions filed. 
April 17, 2018 United States estimated tax due, first instalment for 2018.
April 17, 2018 United States filing deadline for the 2017 Report of Foreign Bank and Financial Accounts (FBAR) without extension filed.
May 7, 2018 New Zealand provisional tax due, third instalment for the year ended 31 March 2018.
June 15, 2018 United States filing deadline for 2017 income tax returns for individuals who lived outside the United States as at April 17 2018, without extensions filed.
June 15, 2018 United States filing deadline for 2017 income tax returns for partnerships that keep their books of account outside the United States, without extensions filed.
June 15, 2018 United States filing deadline for 2017 income tax returns for United States owners of foreign trusts with a balance date of 31 March 2018, without extensions filed.
June 15, 2018 United States filing deadline for 2017 income tax returns for foreign corporations with an office or place of business in the United States, without extensions filed.
June 15, 2018 United States income tax payment deadline for 2017 income tax due for foreign corporations with an office or place of business in the United States.
June 15, 2018 United States estimated tax due, second instalment for 2018.
July 7, 2018 New Zealand income tax filing deadline for taxpayers without extensions of time for filing, for the year ended 31 March 2018.
August 28, 2018 New Zealand provisional tax due, first instalment, for the year ended 31 March 2019.
September 17, 2018 United States filing deadline for 2017 income tax returns for United States trusts and United States partnerships, with extensions filed.
September 17, 2018 United States filing deadline for 2017 income tax returns for United States corporations with extensions filed.
September 17, 2018 United States filing deadline for 2017 income tax returns for foreign corporations with a balance date of 31 March 2018, with no office or place of business in the United States without extensions filed.
September 17, 2018 United States income tax payment deadline for 2017 tax due for foreign corporations with a balance date of 31 March 2018.
September 17, 2018 United States estimated tax due, third instalment for 2018.
October 15, 2018 United States filing deadline for 2017 income tax returns for individuals, FBARs United States trusts and estates, United States partnerships, Information Returns of U.S. Persons with Respect to Foreign Disregarded Entities and Information Returns of U.S. Persons With Respect to Certain Foreign Corporations, with extensions filed.
December 17, 2018 United States filing deadline for 2017 income tax returns for foreign corporations with a balance date of 31 March 2018, with an office or place of business in the United States, with extensions filed.
December 17, 2018 United States filing deadline for United States owners of foreign trusts with a balance date of 31 March 2018, with extensions filed.
December 17, 2018 United States filing deadline for 2017 income tax returns for individuals who lived outside the United States as at April 17 2018, with additional two-month extension filed.
January 15, 2019 United States estimated tax due, fourth instalment for 2018.
March 15, 2019 United States filing deadline for 2018 income tax returns for foreign corporations with a balance date of 31 March 2019, with no office or place of business in the United States, with extensions filed.

If you have a non-standard balance date in either country, or require further information − Contact us today
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