Proving is the process by which a creditor seeks to establish its claim against an insolvent company. A proof of debt is the document on which a creditor submits details of its claim.

A proof of debt may be submitted for two purposes:

For more information about the requirements for proving a debt in a liquidation or voluntary administration, see Practice note, How can I protect my business from a debtor getting into financial trouble or going into insolvency?: How to lodge a claim as an unsecured creditor of a company in liquidation or voluntary administration.