and the Senate on any official travel to China by any employee of such Department or agency, including the purpose of such travel. 535. 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 1990 and 2000 decennial censuses and the most recent Small Area Income and Poverty Estimates. 536. None of the funds made available by this Act may be used to approve the registration or renewal of, or maintain the registration of, a mark, trade name, or commercial name, under the Act entitled An Act to provide for the registration and protection of trademarks used in commerce, to carry out the provisions of certain international conventions, and for other purposes , approved July 6, 1946 (commonly referred to as the Trademark Act of 1946