34 U.S.C. § 10288: Due diligence in paying benefit claims

The Bureau, with all due diligence, shall expeditiously attempt to obtain the information and documentation necessary to adjudicate a benefit claim filed under this subchapter, including a claim for financial assistance under part B. adjudicate or to expedite the processing of the benefit claim, if the Bureau deems such use to be necessary to adjudicate or conducive to expediting the adjudication of such claim; and obtain information or documentation from third parties, including public agencies, if the Bureau deems such use to be necessary to adjudicate or conducive to expediting the adjudication of a claim; and may not abandon the benefit claim unless the Bureau has used investigative tools, including subpoenas, to obtain the information or documentation deemed necessary to adjudicate such claim by the Bureau under subparagraph (1)(B).