Mazola Oil Olive taste guarantee up to $6.49

See the write up here. "If you are not fully satisfied with the great taste of Mazola, we will refund your money."
There is no form. Here are the instructions:
Mazola Mail-in Rebate Guarantee Offer
Limit one offer per purchase/household and only on Mazola Olive Oil (17oz) and only on specified products. Void if reproduced, taxed, sold.
Include name, address, city, state, zip code and original receipt from your purchase of Mazola Olive Oil.
Mail to: Mazola Mail-In Rebate, P.O. Box 381348, Germantown, TN 38183-1348 to receive a rebate check for up to $6.49 from ACH Foods.