Does anyone have any experience of working for a UK company and being paid £ sterling after they have moved to NZ? Specifically how taxation is dealt with.

My husband has been asked whether he would be willing to do some consultancy work for the company he is leaving. Whilst it would be useful for us to have some £'s coming in whilst we look for work I am a bit worried that it will end up complicating matters.

My understanding is that UK-NZ have a double taxation agreement meaning he won't be taxed twice but I am assuming the UK company will deduct from source, which we will have to claim back as we will not be resident in UK, and NZ will then require tax to be paid on the income when we submit a tax return as we will be NZ residents.

If anyone can confirm this or advise otherwise I'd appreciate it.