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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.
RWT/NRWT certificate details can be sent to us in an electronic form by:
The due date for RWT/NRWT certificates is now 15 May annually.
Note: This is a transitional date before the move to more frequent investment income information filing, which is mandatory from April 2020.
Each year we release specifications outlining how to format NRWT and RWT certificates in a way we can accept them.
If you need a copy of a specification document from a different year email firstname.lastname@example.org
When using the file upload service in myIR for the NRWT and RWT certificates the usage guidelines for files to ensure we process them successfully are:
Files with errors must be corrected before successful validation and processing. An error report is available to view any errors.
Files sent to us via email:
To file through email:
Note: If you're sending files for multiple IRD numbers, make sure you identify them on the cover sheet.
Send to: email@example.com
If they haven't already been sent to us, you can scan and attach the RWT on interest reconciliation statement (IR15S) or NRWT reconciliation statement (IR67S) to your email.
If the data fails, you'll get an email to send an amended file. Once the file has been successfully uploaded, you'll get email confirmation.
You can download the public key at the link below. Right click to 'save as' and make sure the file is saved with the extension '.asc'
Note: The public key will encrypt your file, there's no need to send us an additional password
There are a number of software packages which will let you import our public key and encrypt your files including PGP Desktop and Gpg4win. Gpg4win software is free and runs on Windows XP, Vista and 7. Both 32 and 64bit systems are supported.
Gpg4win is subject to a licence agreement. You should read the agreement before deciding whether to download Gpg4win.
How to install the full version of Gpg4win
PDF | 7 pages | 503kb
There are other GPG and PGP applications available for Windows, Mac and Linux which can be used for file encryption. However, we don't have user instructions defined for those alternatives.
Files can be sent to us via mail if you have constraints with file size.
The acceptable electronic media for mail are:
Mail the electronic media and accompanying IR15S to:
Operations Delivery Upper Hutt
PO Box 39090
Wellington Mail Centre
Lower Hutt 5045