Inland Revenue says its website and online support services are largely out of action this weekend, as services as it shifts to a new website provider.
All of Inland Revenue's online services will be unavailable apart from its basic webpages until Monday morning,
IRD spokesperson Lorna Milton said it had picked this weekend to change its mainframe provider to ensure the least disruption to users.
She said customers would not notice any difference to the website once the work was completed on Monday.