IR328 lists key filing and payment dates for the period from April 2026 to March 2027.

Use IR735 to apply for a taxpayer-specific determination under the financial arrangements rules.

Use IR713 to apply for a private ruling on a proposed, current or completed arrangement.

IR714 applies for a binding product ruling about a promoted arrangement involving multiple potential participants.

IR712 applies for a status ruling after a tax law referred to in an existing private or product ruling is amended or repealed.

Use IR397 to register each security or class of securities for AIL or zero-rating.

IR401 appoints an executive office holder to manage specified Inland Revenue matters for an organisation.

IR395 explains approved issuer levy treatment for interest paid to non-resident lenders and the related registration and payment rules.

Use IR396 to elect approved issuer levy status and, if needed, register one security.

Use IR586 to authorise regular automatic payments from your bank account to Inland Revenue.

IR715 explains private, product and status rulings, when Inland Revenue can issue them and how to apply.

Individuals outside the Revenue Officer role who obtain access to revenue information use IR820 to certify their confidentiality obligations.

IR297A explains how Inland Revenue may use electronic accounting data during an audit and what this means for a business.

IR1259 explains when a tax credit is offset or transferred and how the transfer’s effective date is determined.

Use IR432 to notify Inland Revenue of a company or building society amalgamation.

Use IR625 when applying for a tax refund owed to a deceased person and you fall within an eligible recipient category.

IR590 provides Inland Revenue with a detailed snapshot of an individual’s household, income, expenses, assets and liabilities.

IR776 explains the steps and time limits for disputing an Inland Revenue assessment.

Use IR494 when eligible companies elect to form a consolidated group for tax purposes.

Use IR473 to elect to form an imputation group and nominate the company that will represent the group.

Use IR920 to ask Inland Revenue to link an employer to a PAYE intermediary or payroll bureau.

Use IR10 to summarise the 2026 financial statements of a business when the relevant income tax return requires it.

IR730 summarises GST treatment when buying or selling land and other property.

Use IR238 to tell Inland Revenue about changes to your name, address, phone number or email when you are not updating the details in myIR.

AD164 summarises common New Zealand household living costs and helps IRD assess non-discretionary expenditure when collecting debt.

IR297 explains what happens during an Inland Revenue audit and the information and records a taxpayer may need to provide.

Use IR10G to complete the Financial statements summary – IR10.

Use IR595 to apply for an individual IRD number if you are currently in New Zealand.

Use IR742 to apply for an individual IRD number if you are not in New Zealand.

Use IR596 to apply for an IRD number for a New Zealand resident non-individual entity.

IR496 calculates the KiwiSaver amount available to cover income tax and student-loan obligations on a foreign-superannuation lump sum.

IR1109A explains how bookkeepers and PAYE intermediaries link clients and transfer them between client lists in myIR.

IR1109B explains how payroll bureaus and other intermediaries link clients and transfer them between client lists in myIR.

IR1109C explains how tax agents link clients and transfer them between client lists in myIR.

IR1104 explains how intermediary owners and administrators manage staff access, client-list security and mail subscriptions in myIR.

Use IRD’s maintained public help pages for current myIR account management instructions.

IR378 is a model cashbook for GST-registered businesses using the payments basis.

Use IR770 to formally dispute a tax assessment or certain Inland Revenue decisions.

Use IR771 to reply when Inland Revenue sends a notice of proposed adjustment and you disagree.

IR1036 explains when a person hiring bands or entertainers must deduct tax from their payments.

IR240 explains the penalties and interest that may apply when a return is not filed or tax is not paid on time.

Use IR713A with IR713 when applying for a private ruling on a transfer pricing arrangement.

A promoter applying for a product ruling completes IR714A as the statutory declaration accompanying IR714.

IR984 describes acceptable evidence that an offshore person has a fully functional New Zealand bank account for an IRD number application.

IR281P is used to disclose tax that may have been underpaid on a property sale.

IR280 explains how to correct return errors and make a voluntary disclosure to Inland Revenue.

IR1008 explains the legal and practical benefits of good business records and lists common records to retain.

Use IR282 to explain and support a tax position taken when determining the tax payable in a return.

Use IR773 to respond to a disclosure notice and finalise arguments in a tax dispute.

Use IR599 to register a tax agent or agency for the StationeryXpress ordering service.