; and (B) during a calendar year in which such dairy operation is a participating dairy operation (as defined in section 1401 of the Agricultural Act of 2014 ( 7 U.S.C. 9051 )), has a production history established under the dairy margin coverage program under section 1405 of the Agricultural Act of 2014 ( 7 U.S.C. 9055 ) of less than 5 million pounds, as determined in accordance with subsection (c) of such section 1405. (2) Limitation on eligibility An eligible dairy operation shall only be eligible for payments under this section during a calendar year in which such eligible dairy operation is enrolled in the dairy margin coverage (as defined in section 1401 of the Agricultural Act of 2014 ( 7 U.S.C. 9051 )). (c) Supplemental production history calculation For purposes of determining the production history of an eligible dairy operation under this section, such dairy operation’s production history shall be equal to— (1) the production volume of such dairy operation for the 2019 milk marketing year