Your delivery ticket will show you the amount of oil delivered. Your supplier will usually post this through your letterbox after completing delivery. The Proof of Delivery ticket is printed by a calibrated meter which is sealed for security and is unable to be tampered with, this is controlled by the Weights and Measures Legislation. If you have not received your Proof of Delivery, please get in touch and we will be happy to arrange this for you. Once the supplier has confirmed the delivery volume on their system, you will also receive an email from us confirming the quantity delivered.