First time landlords are being warned to check how much tax they may need to pay on rental incomes ahead of the July 7 deadline.
The Inland Revenue is concerned there may be a number of people in Auckland and Christchurch who have temporarily rented out property to meet shortage demands and don't know they have to pay tax on the income.
Those who rent out a residential property, a room in their own home, sleepout, caravan or holiday home may have to pay tax on the income.
Patrick Goggin, Inland Revenue group manager investigations and advice, said people on salary and wages may not have completed a tax return before and may not know they need to file an income tax return if receiving rental income.
"People who are thinking of renting out accommodation should find out what tax they'll need to pay so they can include it in their plans.