Homeland Security Act; this Act made changes t' Title 18 o' t' U.S. Blimey! Code in sections 841 through 844; t' primary change be t' new requirement makin' a LEUP or LUP required for in-state purchase and use HPR motors (over 62.5 grams o' propellant); such permits were previously required only if t' purchase and/or use involved interstate commerce or transportation. See also LEUP