How to update a client’s Business Industry Classification (BIC) code in myIR or gateway services.
BIC codes help us tailor our messages, products and services to customer and industry groups. The right BIC code also ensures your clients pay the right amount of ACC.
In myIR
If you have a customer master link, you can add, update and cease BIC codes in myIR.
To view or manage a client’s BIC code:
- log in to myIR and access the client
- go to the ‘I want to’ section and select ‘Manage your BIC code’.
You can also update a client’s BIC code when you file an income tax return in myIR.
In gateway services
If you use software that has the BIC API, you can add, update and cease BIC codes in gateway services.
Last updated:
22 Jun 2026