IR10 attachment to IR4

 Question 21 in IR4¹ company returns is about Business or other rental income, which also needs an IR10², which is a statistics form which can be filled up with trial balance data.

1.https://www.ird.govt.nz/-/media/project/ir/home/documents/forms-and-guides/ir1---ir99/ir10/ir10-2014-2015.pdf

2.https://www.ird.govt.nz/-/media/project/ir/home/documents/forms-and-guides/ir1---ir99/ir4/ir4-2022.pdf