New investment income reporting requirements will become compulsory on 1 April 2020. Until then you can opt in to the new requirements, or keep following the existing requirements.
This page describes the existing requirements.
RWT and NRWT certificate filing options
You can file your end-of-year RWT withholding certificate IR15 and New Zealand NRWT withholding certificate IR67 electronically, or print them off and send them to us.
The due date for RWT and NRWT certificates is 15 May.
RWT and NRWT certificate filing specification
We can only accept NRWT and RWT certificates that are formatted according to these specifications.
Log in to myIR
Check for errors
An error report is available to view any errors in your files. Errors must be corrected before validation and processing.
Validate your files
File through myIR
Do not encrypt your files.
You can also file your IR15 or IR67 by email, through the mail using CD, DVD or USB, or on paper.