; of which not to exceed $100,000 shall be available for unforeseen emergencies of a confidential nature, to be allocated and expended under the direction of the Inspector General of the Treasury; of which up to $2,800,000 to remain available until September 30, 2020, shall be for audits and investigations conducted pursuant to section 1608 of the Resources and Ecosystems Sustainability, Tourist Opportunities, and Revived Economies of the Gulf Coast States Act of 2012 ( 33 U.S.C. 1321 note); and of which not to exceed $1,000 shall be available for official reception and representation expenses. Treasury inspector general for tax administration Salaries and expenses For necessary expenses of the Treasury Inspector General for Tax Administration in carrying out the Inspector General Act of 1978, as amended, including purchase and hire of passenger motor vehicles ( 31 U.S.C. 1343(b) ); and services authorized by 5 U.S.C. 3109 , at such rates as may be determined by the Inspector General for Tax Administration; $169,634,000, of which $5,000,000 shall remain available until September 30, 2020; of which not to exceed $6,000,000 shall be available for official travel expenses; of which not to exceed $500,000 shall be available for unforeseen emergencies of a confidential nature, to be allocated and expended under the direction of the Inspector General for Tax Administration; and of which not to exceed $1,500 shall be available for official reception and representation expenses. special inspector general for the troubled asset relief program salaries and expenses For necessary expenses of the Office of the Special Inspector General in carrying out the provisions of the Emergency Economic Stabilization Act of 2008 ( Public Law 110–343 ), $17,500,000. Financial Crimes Enforcement Network salaries and expenses For necessary expenses of the Financial Crimes Enforcement Network, including hire of passenger motor vehicles