CGA P-17:美国和加拿大的运输法规要求按照规定的间隔重新测试货物和移动式罐。在对货罐和移动式罐进行维修和/或改装时，也可能需要重新测试。符合储罐基准国法规要求的人员应在相关机构批准的设施进行重新试验。本程序是一种推荐的方法，用于按规定的间隔对货物和移动式罐进行气动重新试验。它补充了《美国联邦法规》（49 CFR）第49篇和CSA B620《危险货物运输用公路罐和TC移动式罐》的适用要求。

CGA P-17: Transportation regulations in the United States and Canada require the retesting of cargo and portable tanks at prescribed intervals. Retesting may also be necessary when performing repairs and/or modifications to cargo and portable tanks. Personnel meeting the requirements of the regulations of a tank's base country shall perform the retesting at facilities approved by the appropriate authorities.This procedure is a recommended method for performing pneumatic retesting of cargo and portable tanks at prescribed intervals. It supplements the applicable requirements of Title 49 of the U.S. Code of Federal Regulations (49 CFR) and CSA B620, Highway tanks and TC portable tanks for the transportation of dangerous goods.