or his designee that exempt that United States Attorney from the residency requirements of section 545 of title 28, United States Code. 210. At the discretion of the Attorney General, and in addition to any amounts that otherwise may be available (or authorized to be made available) by law, with respect to funds appropriated by this title under the headings Research, Evaluation and Statistics , State and Local Law Enforcement Assistance , and Juvenile Justice Programs — (1) up to 2 percent of funds made available to the Office of Justice Programs for grant or reimbursement programs may be used by such Office to provide training and technical assistance