This standard was prepared to provide guidance to individuals responsible for developing the design of packagings for transport of radioactive material limited to Type A quantities including fissile material that does not exceed the limits authorized under the general license sections of the US Nuclear Regulatory Commission regulation for packaging and transportation of radioactive material. This standard is also intended to assist those who test@ evaluate@ fabricate@ fill@ ship@ or otherwise perform functions related to Type A packages in accordance with applicable regulatory requirements. The scope does not include Type A packaging containing fissile material in accordance with 10 CFR 71.55 that requires a certificate of compliance from the NRC or DOE. This standard is not a substitute for any regulations. Following the guidance in this document does not exempt an individual from complying with applicable federal and state requirements governing the transportation of radioactive materials. PURPOSE The purpose of the standard is to provide guidance on compliance with the DOT regulations for radioactive materials packaging identified in 49 CFR 178.350.