IATA第50期危险品规则(2009)显著修订和变化
如A3（223），223就是UN《规章范本》中对应的特殊规定的编号。
A45–all of the existing provisions from A45, together with the changes to SP188 from the UN Model Regulations have been moved into six new packing instructions, PI965 to PI970 that apply to lithium ion batteries and lithium metal batteries when shipped as batteries, when contained in equipment and when packed with equipment.
根据UN《规章范本》SP188的修改，A45的规定全部相应移至6个新增的包装说明PI965-PI970中。新增包装说明分别用在安装在设备中、与设备包装在一起的锂离子电池、锂金属电池。
A70–against engines, internal combustion has been revised to identify also that if the fuel used in the engine does not itself meet the classification criteria for any class or division, then the engine is not subject to the Regulations.
A70-对于内燃式发动机，如果发动机使用的燃料本身不属于任何类别或项别的危险品，则此发动机不受《危规》限制。
A112–the substances that may be assigned to ID8000 and shipped as
consumer commodities has been expanded to include UN3077 and UN3082, environmentally hazardous substances.
A112-在归类为ID8000，按照日用消费品运输的物质中，增加了UN3077及UN3082，危害环境的物质。
A146–presently this special provision refers only to fuel cell cartridges containing flammable liquids. The special provision has been revised to address all fuel cell cartridge chemistries, including when packed with or contained in equipment.
A146-目前仅指含易燃液体的燃料电池罐。修订后，适用于使用各类化学燃料的燃料电池罐，无论燃料电池罐是安装在设备中，还是与设备包装在一起。
A161–is a new special provision against UN3478–Fuel cell cartridges containing liquefied flammable gas, UN3478–Fuel cell cartridges
contained in equipment containing liquefied flammable gas and Fuel cell cartridges packed with equipment containing liquefied flammable gas to identify that the fuel cell cartridges must meet defined design and test criteria.