of each enterprise in meeting the guidelines established under subsection (a) and any obstacles the Director has determined have impeded the ability of the enterprises to meet such guidelines. (h) Definitions For purposes of this section, the following definitions shall apply: (1) Credit risk The term credit risk means, with respect to a mortgage loan on a one- to four-family residential property that is held or guaranteed, or intended to be held or guaranteed, by an enterprise or any security backed by such residential mortgage loans held or guaranteed by the enterprise, the risk of loss to the enterprise that could result from a mortgagor’s failure to repay any such loan in accordance with its terms. (2) First loss The term first-loss means the risk of loss for an enterprise on a mortgage loan on a one- to four-family residential property or a security backed by such residential mortgage loans, beginning with the first dollar of loss. (3) Front-end risk transfer The term front-end risk transfer means, with respect to a mortgage loan on a one- to four-family residential property or any security backed by such residential mortgage loans, a risk transfer or risk share that occurs before or simultaneous with the acquisition of such loan or security by an enterprise. (4) Guarantee fee The term guarantee fee has the meaning given such term in section 1327(a) ( 12 U.S.C. 4547(a) ). (5) Risk-transfer transaction The term risk-transfer transaction means any transaction that provides for— (A) the sale, disposition, retention, or transfer within the private sector of credit risk on any residential mortgage loan on a one- to four-family residential property or a pool of such residential mortgage loans that back securities on which the enterprise guarantees the timely payment of principal and interest