47 U.S.C. § 547: Conditions of sale

(a) If a renewal of a franchise held by a cable operator is denied and the franchising authority acquires ownership of the cable system or effects a transfer of ownership of the system to another person, any such acquisition or transfer shall be—(1) at fair market value, determined on the basis of the cable system valued as a going concern but with no value allocated to the franchise itself, or (2) in the case of any franchise existing on the effective date of this subchapter, at a price determined in accordance with the franchise if such franchise contains provisions applicable to such an acquisition or transfer. (b) If a franchise held by a cable operator is revoked for cause and the franchising authority acquires ownership of the cable system or effects a transfer of ownership of the system to another person, any such acquisition or transfer shall be—(1) at an equitable price, or (2) in the case of any franchise existing on the effective date of this subchapter, at a price determined in accordance with the franchise if such franchise contains provisions applicable to such an acquisition or transfer.