I've been around long enough and dealt with them for long enough to remember when the IRD were right pack of remorseless uncaring unhelpful bastards. Some years ago that started changing and they became quite helpful as long as you honestly keep them informed.
I just had a call from them - which I missed but called back and got a different person. They were following up because I had set up my self-employed self on Kiwisaver some months ago but had not made any employer/employee deductions and wanted to know why was that. I explained that I hadn't worked out the correct net/gross and didn't really understand how the money gets into the provider's fund. The IRD lady then patiently guided me through the whole thing (was able to see me remotely operating on the IRD portal), answered all my questions, sorted out a couple of admin details and that was that. It would have cost me quite a lot to have got the same advice from my accountant.
This is consistent with my IRD interactions over the last couple if years. They are now very good and helpful to deal with. Well done IRD.

