Vendors and suppliers of the South Australian Government can calculate the late payment interest they maybe entitled to, using the Late Payment Interest Calculator.
Which calculator should I use?
Select Automatic Calculator when the status of the applicable invoice is available on MyInvoice, and the ABN and Invoice Number is known. Otherwise select Manual Calculator when the status of the applicable invoice is not available on MyInvoice or for vendors without an ABN.
Australian Business Number (ABN) *
Invoice Number *
Invoice Amount (ex GST) *
Agency Received Date *
Payment Date *
Electronic funds transfer (EFT)