From a rental in September 2006. First email followup 11/22/06, with promise for missing miles to post within 90 days. Followed up on 2/22/07, and a week later receive the following:

Thank you for contacting Budget Car Rental.

We apologize for the delay, however due to the renting location is not
linked with our system we had to contact them for a copy of your rental
receipt, and we never received it. We have made two atemps to get a copy of
the receipt. If you still have a copy it would help us if we could have you
to send us a copy to the following:

ATTN: Dana Jiles
Frequent Flyer Liaison
PO Box 690840
Tulsa, OK 74169-0840
Phone: 800-621-2844
Fax: 918-627-2508

We apologize for the delay, and for any inconvenience.

Sincerely,