By way of general information, it may be mentioned that the changes made to the Act in 2005 relate to aggravation of penalties and the fact that the voluntary surrender of weapons or prohibited items to the control authorities constitutes an exonerating circumstance.
关于一般资料，可确定2005年写入法律的修正案规定加重惩罚，并自愿向监管局交出受禁武器或材料，按开脱罪责情节论处。