533. Of the amounts made available by this Act, not less than 10 percent of each total amount provided, respectively, for Public Works grants authorized by the Public Works and Economic Development Act of 1965 and grants authorized by section 27 of the Stevenson-Wydler Technology Innovation Act of 1980 ( 15 U.S.C. 3722 ) shall be allocated for assistance in persistent poverty counties: Provided, That for purposes of this section, the term persistent poverty counties means any county that has had 20 percent or more of its population living in poverty over the past 30 years, as measured by the 1993 Small Area Income and Poverty Estimates, the 2000 decennial census, and the most recent Small Area Income and Poverty Estimates, or any Territory or possession of the United States. 534. (a) Notwithstanding any other provision of law or treaty, none of the funds appropriated or otherwise made available under this Act or any other Act may be expended or obligated by a department, agency, or instrumentality of the United States to pay administrative expenses or to compensate an officer or employee of the United States in connection with requiring an export license for the export to Canada of components, parts, accessories or attachments for firearms listed in Category I, section 121.1 of title 22, Code of Federal Regulations (International Trafficking in Arms Regulations (ITAR), part 121, as it existed on April 1, 2005) with a total value not exceeding $500 wholesale in any transaction, provided that the conditions of subsection (b) of this section are met by the exporting party for such articles. (b) The foregoing exemption from obtaining an export license— (1) does not exempt an exporter from filing any Shipper's Export Declaration or notification letter required by law, or from being otherwise eligible under the laws of the United States to possess, ship, transport, or export the articles enumerated in subsection (a)