Credit for interest

Glossary of terms

Delayed refund of an RBA surplus

Early payment interest

Issue date

Overpayment of tax

Payment date

Delayed refund of an RBA surplus

From 1 July 2000, delayed refund interest is payable on a surplus on a running balance amount (RBA) that reflects:

You must provide us with all your outstanding activity statements or all the information necessary for your activity statements to be processed, and, if required, details of a nominated account at a financial institution for the refund to be paid into. Delayed refund interest will not start accruing until 14 days after the day that you provide the relevant statements or information.

Note: Delayed refund interest is not payable if, at the time that the refund or surplus arises, the refund or credit is offset against another tax liability you owe.

We will automatically calculate delayed refund interest for you.

Early payment interest

Early payment interest is payable on the following:

The following payments do not attract early payment interest:

If an amount that is paid early is refunded before the day it becomes due and payable, early payment interest is not payable for any period after the day it is refunded.

Issue date

Issue date of the notice of assessment (NOA) informing you of the amount of tax, debt, interest or instalment.

Overpayment of tax

Interest on an overpayment of tax is payable – from the 1993–94 income year – in the following circumstances:

The ATO will automatically calculate interest on overpayment for you.

Payment date

Use the following table to determine your date of payment.

If you paid...

The date of payment is…

At the post office

the date shown on your receipt from the post office.

by direct debit

the date your bank account is direct debited, as shown on your bank statement.

by mail

the date of postage plus three days.


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