What can I use as proof of purchase if I dont have my receipt?

Question

My Kodak camera is broken, and i'm sending it in for repair, but to show that my camera is still in warranty, i have to show proof of purchase, but i don't have a receipt. What do i do?

Answer 1

If you registered the camera with Kodak, that should be enough.

Answer 2

Credit card bill or shippin invoice.