; and (ii) recommendations for improving future gun buyback programs in the jurisdiction of such agency; and (B) not later than 90 days after the last day of such program, a final report including the information described in each of subclauses (I) and (II) of clause (i) with respect to the duration of the program. (2) Reports by the Office of Justice Programs Not later than one year after the date of the enactment of this section and annually thereafter, the Assistant Attorney General for the Office of Justice Programs shall submit to Congress a report on— (A) the number of gun buyback programs that received funding under this section; (B) the number of guns received through each such gun buyback program; (C) the total number of guns purchased through all such gun buyback programs; and (D) recommendations on improving the grant program under this section and gun buyback programs. (h) Definitions For purposes of this section: (1) State The term State means each of the 50 States, the District of Columbia, the Commonwealth of Puerto Rico, the United States Virgin Islands, American Samoa, Guam, and the Northern Mariana Islands. (2) Unit of local government The term unit of local government means a county, municipality, town, township, village, parish, borough, or other unit of general government below the State level. (3) Violent crime The term violent crime means murder, non-negligent manslaughter, forcible rape, robbery, and aggravated assault, as reported by the Federal Bureau of Investigation for purposes of the Uniform Crime Report. (i) Authorization of appropriations There are authorized to be appropriated to carry out this section $15,000,000 for the period of fiscal years 2018 through 2022.