23 U.S.C. § 122: Payments to States for bond and other debt instrument financing

In this section, the term “eligible debt financing instrument” means a bond or other debt financing instrument, including a note, certificate, mortgage, or lease agreement, issued by a State or political subdivision of a State or a public authority, the proceeds of which are used for an eligible project under this title. interest payments under an eligible debt financing instrument; the retirement of principal of an eligible debt financing instrument; the cost of the issuance of an eligible debt financing instrument; the cost of insurance for an eligible debt financing instrument; and any other cost incidental to the sale of an eligible debt financing instrument (as determined by the Secretary). The Secretary may reimburse a State or public authority under subsection (b) with respect to a project funded by an eligible debt financing instrument after the State or public authority has complied with this title with respect to the project to the extent and in the manner that would be required if payment were to be made under section 121. The Federal share of the cost of a project payable under this section shall not exceed the Federal share of the cost of the project as determined under section 120. constitute a commitment, guarantee, or obligation on the part of the United States to provide for payment of principal or interest on the eligible debt financing instrument; or create any right of a third party against the United States for payment under the eligible debt financing instrument.