Thank you for informing us that you have not received your parcel. We have made enquiries with our courier and can advise you that the parcel was marked as delivered. 
If you have still not received the parcel it is important that you complete, sign and return this declaration in full within the next 7 days.

DECLARATION
To my knowledge, my parcel was not found at the delivery address specified above.

I confirm that I, nor anyone I know have received this parcel.
I, the receiver, whose name and address were provided with this document, certify that this declaration is true and I know that making a false statement could lead to prosecution.