1. Short title This Act may be cited as the Sound Insulation Treatment Repair and Replacement Program Act . 2. Sound insulation repair and replacement projects (a) Government share Section 47109 of title 49, United States Code, is amended by adding at the end the following: (h) Special rule for sound insulation repair and replacement With respect to a project to carry out sound insulation that is granted a waiver under section 47110(j), the allowable project cost for such project shall be calculated without consideration of any costs that were previously paid by the Government. . (b) Sound insulation treatment repair and replacement projects Section 47110 of title 49, United States Code, is amended by adding at the end the following: (j) Special rule for sound insulation treatment repair and replacement projects (1) In general The Secretary shall provide a one-time waiver of the requirement of subsection (b)(4) for a qualifying airport as applied to projects to carry out repair and replacement of sound insulation for a residential building for which the airport previously received Federal assistance or federally authorized airport assistance under this subchapter if— (A) the Secretary determines that the additional assistance is justified due to— (i) increased aircraft noise, as determined by the Administrator of the Federal Aviation Administration; or (ii) the residence containing any sound insulation treatment or other type of sound proofing material previously installed under this subchapter that is determined to be eligible pursuant to paragraph (2); and (B) the building or other structure— (i) falls within the Day Night Level (DNL) 65 standard according to the most recent noise exposure map, as such term is defined in section 150.7 of title 14, Code of Federal Regulations; or (ii) fell within such standard at the time the initial noise mitigation was carried out and an FAA-compliant noise auditor has determined that— (I) such sound insulation treatment caused physical damage to the residence