(a) When a Forest officer determines that such livestock use is occurring, has definite knowledge of the kind of livestock, and knows the name and address of the owners, such livestock may be impounded any time five days after written notice of intent to impound such livestock is mailed by certified or registered mail or personally delivered to such owners.

(b) When a Forest officer determines that such livestock use is occurring, but does not have complete knowledge of the kind of livestock, or if the name of the owner is unknown, such livestock may be impounded any time 15 days after the date a notice of intent to impound livestock is first published in a local newspaper and posted at the county courthouse and in one or more local post offices. The notice will identify the area in which it will be effective.

(c) Unauthorized livestock or livestock in excess of those authorized by a grazing permit on National Forest System which are owned by persons given notice under paragraph (a) of this section, and any such livestock in areas for which a notice has been posted and published under paragraph (b) of this section, may be impounded without further notice any time within the 12-month period immediately following the effective date of the notice or notices given under paragraphs (a) and (b) of this section.

(d) Following the impoundment of livestock, a notice of sale of impounded livestock will be published in a local newspaper and posted at the county courthouse and in one or more local post offices. The notice will describe the livestock and specify the date, time, and place of the sale. The date shall be at least five days after the publication and posting of such notice.

(e) The owner may redeem the livestock any time before the date and time set for the sale by submitting proof of ownership and paying for all expenses incurred by the United States in gathering, impounding, and feeding or pasturing the livestock. However, when the impoundment costs exceed fair market value a minimum acceptable redemption price at fair market value may be established for each head of livestock.

(f) If the livestock are not redeemed on or before the date and time fixed for their sale, they shall be sold at public sale to the highest bidder, providing this bid is at or above the minimum amount set by the Forest Service. If a bid at or above the minimum amount is not received, the livestock may be sold at private sale at or above the minimum amount, reoffered at public sale, condemned and destroyed, or otherwise disposed of. When livestock are sold pursuant to this regulation, the forest officer making the sale shall furnish the purchaser a bill or other written instrument evidencing the sale. Agreements may be made with State agencies whereby livestock of unknown ownership and livestock of known ownership, which are not redeemed by the owner, are released to the agency for disposal in accordance with State law, Provided, That remuneration of proceeds from the sale of said animals in excess of costs of impoundment and to arrange for disposal of livestock of known ownership will be refunded to the former owner.