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myIR, payments and more


Software developers
Ngā kaihanga pūmanawa rorohiko

Developer centre

Gateway services

On this page you'll find documentation to consume Inland Revenue's Gateway Services.

Payroll services

The payroll specification documents are issued in December each year. Download the latest payroll specification and associated documents here.

Tax agents services

Find out how to get copies of the E-File specification document and the Tax agent web service B2B specification document here.

Personal tax summary intermediaries (PTSIs) services

Find out how to get a copy of the PTS web service B2B specification document here.

Specifications for banks

The withholding tax specification documents are updated every year and outline how to format non-resident withholding tax (NRWT) and resident withholding tax (RWT) certificates in a way that we can accept.