; (4) in subsection (h) by striking section 47114(d)(3)(A) and inserting section 47114(c)(1)(D) or section 47114(d)(2)(A) ; and (5) by striking subsection (i). 710. Small airport letters of intent (a) In general Section 47110 of title 49, United States Code, is further amended by adding at the end the following: (i) Small airport letters of intent (1) In general The Secretary may issue a letter of intent to a sponsor stating an intention to obligate an amount from future budget authority for an airport development project (including costs of formulating the project) at a nonhub airport or an airport that is not a primary airport. (2) Contents In the letter issued under paragraph (1), the Secretary shall establish a schedule under which the Secretary will reimburse the sponsor for the Government’s share of allowable project costs, as amounts become available, if the sponsor, after the Secretary issues the letter, carries out the project without receiving amounts under this subchapter. (3) Limitations The amount the Secretary intends to obligate in a letter of intent issued under this subsection shall not exceed the larger of— (A) the Government’s share of allowable project costs; or (B) $10,000,000. (4) Financing Allowable project costs under paragraphs (1) and (2) may include costs associated with making payments for debt service on indebtedness incurred to carry out the project. (5) Requirements The Secretary shall issue a letter of intent under paragraph (1) only if— (A) the sponsor notifies the Secretary, before the project begins, of the intent of the sponsor to carry out the project and requests a letter of intent