https://propanesettlement.com/Claim -“There are two settlement classes, and you may be a member of one or both:

Indirect Purchaser Settlement Class: this class includes all persons who, between December 1, 2009, and November 30, 2020, in the States of Arizona, California, Iowa, Maine, Michigan, Minnesota, Nevada, New Mexico, North Carolina, North Dakota, South Dakota, Utah, or West Virginia, purchased an AmeriGas or Blue Rhino Propane Tank or paid to exchange their already-purchased Propane Tank for an AmeriGas or Blue Rhino Propane Tank, other than a wholesale purchase directly from AmeriGas or Blue Rhino for resale.

Direct Purchaser Settlement Class: this class includes all persons who, between December 1, 2009 and November 30, 2020, in the United States, purchased an AmeriGas or Blue Rhino Propane Tank directly from AmeriGas or Blue Rhino, through a vending machine installed at a retailer or other location, or paid AmeriGas or Blue Rhino directly through a vending machine installed at a retailer or other location to exchange an already-purchased Propane Tank for an AmeriGas or Blue Rhino Propane Tank, other than a wholesale purchase for resale.”
No proof of purchase is required.