The Inland Revenue Department
The Inland Revenue website has countless resources such as guides and technical tax areas that can help you figure it all out. You can manage your taxes and entitlements online with a MyIR account.
Have you registered online for myIR account? We recommend that you have a personal and business myIR account. Get it done online you can easily see payments, change your details, and manage your taxes and other services using MyIR. You will receive notifications from IRD regarding tax returns due for filing, overdue returns and documents.