; (ii) MIPS APMs (as defined by the Secretary); and (iii) any other alternative payment model that the Secretary may, by regulation, specify. (B) Requirements The requirements described in this subparagraph with respect to an arrangement relating to an alternative payment model are as follows: (i) The arrangement is in writing, identifies the services, items, or actions subject to the arrangement and is signed by the parties to the arrangement. (ii) Items and services furnished subject to the arrangement are furnished at fair market value. In this clause, the term fair market value has the meaning given such term in subsection (h)(3), except that the Secretary may not take into account the volume or value of referrals in determining such value for purposes of this clause. (iii) The arrangement includes a description of the alternative payment model. (iv) Under the arrangement written reports are submitted to the Secretary on a semi-annual basis on the progress achieved in the development and operation of the alternative payment model (v) The arrangement meets such other requirements as the Secretary may impose by regulation as needed to protect against a significant risk of program patient abuse .