1. Short title This Act may be cited as the Dairy Farm Sustainability Act of 2018 . 2. Dairy Farm Sustainability Price Loss Coverage Program Part I of subtitle D of title I of the Agricultural Act of 2014 is amended by inserting after section 1408 ( 7 U.S.C. 9058 ) the following: 1408A. Dairy Farm Sustainability Price Loss Coverage Program (a) Definitions In this section: (1) Contracting dairy operation The term contracting dairy operation means a participating dairy operation that enters into a contract under subsection (b)(1). (2) Minimum milk price The term minimum milk price means $23.34 per hundredweight of milk, as adjusted by the Secretary for each half of each calendar year to reflect changes in the Consumer Price Index for All Urban Consumers published by the Bureau of Labor Statistics of the Department of Labor. (3) Payment quantity The term payment quantity means the payment quantity established for a contracting dairy operation under subsection (c)(3). (b) Contracts (1) In general The Secretary shall offer to enter into a contract with a participating dairy operation under which the participating dairy operation may receive payments under subsection (c). (2) Signup The Secretary shall offer to enter into contracts under paragraph (1) during the period that a dairy operation may register to participate in the margin protection program established under section 1404(b). (3) Duration of contracts (A) In general Except as provided in subparagraph (B), a contract entered into under paragraph (1) shall cover milk marketed by the contracting dairy operation during the period beginning on the first day of the month during which the contract is entered into and ending on December 31, 2023. (B) Violations If a contracting dairy operation violates a contract entered into under paragraph (1), the Secretary may— (i) terminate the contract and allow the contracting dairy operation to retain any payments received under the contract