(a) Section 165(i) of the Internal Revenue Code is modified to additionally provide that an appraisal for the purpose of obtaining a loan of federal funds or a loan guarantee from the federal government as a result of a presidentially declared disaster, as defined by Section 1033(h)(3) of the Internal Revenue Code, may be used to establish the amount of any loss described in Section 165(i)(1) or (2) of the Internal Revenue Code to the extent provided in regulations or other guidance of the Secretary of the Treasury under Section 165(i)(4) of the Internal Revenue Code, as added by Section 912 of Public Law 105-34.