Get Help with the IAEA Additional Protocol

Because you are reading this web page, there is a good chance that you already know about the Additional Protocol (AP) and why it may be important to you. If you’d like to learn more, click here. Even if you are familiar with the AP, however, it can be difficult for you or your colleagues to recall the details of the requirements of each article of the agreement.

Welcome! The AP Declaration Helper web site is here to help you.

The information and tools on this web site are intended for use use by states, organizations, or individuals involved in the oversight or conduct of nuclear-related activities to help simplify the task of identifying those activities that are likely to be declarable under the AP. The primary resource for doing this is a decision support software tool called the AP Declaration Helper. The AP Declaration Helper guides you through simple questionnaires that help you navigate through the declaration decision process without the need for intimate knowledge of the AP. The tool includes built-in expertise regarding the AP requirements, so you need only know the technical details about the nuclear-related activities that you’d like to evaluate. By assembling and cross-referencing a wide array of information from and related to the Model Additional Protocol (INFCIRC/540 (Corrected)), we’ve taken some very complex information and broken it down into a form that is easy to use and understand. All you have to do is answer a series of simple Yes/No questions to determine whether an activity is likely to be declarable.

All of the resources on this site are also available in a version designed to operate offline on your personal computer. You may use these resources online or visit the web site's Downloads page to download everything you see here for use on a non-internet connected computer system. There are a few differences between the desktop and web-based versions of the AP Declaration Helper that you should consider before selecting which version to use:

  • The Downloads page is available only in the online web version.
  • The ability to save your AP Declaration Helper interview data files and later re-open them is enabled only in the desktop version.

For more information about the AP, visit the IAEA’s official web site.


The AP Declaration Helper web site is intended to assist users in identifying information that is likely to be declarable to the IAEA under Article 2 of the Additional Protocol. However, it is only a tool. No part of this web site is intended to provide authoritative information or definitive results and its use is subject to a number of limitations. For example, when using the AP helper Interview tool, the user must determine which activities to consider evaluating. The Declaration Helper provides no means of assuring that the user has in fact considered all activities that need to be evaluated. Further, answering an interview question correctly requires the user to apply judgment and knowledge concerning the activity being evaluated in order to produce accurate results. Users should also be aware that this tool is based on the Model Additional Protocol (INFCIRC/540 (Corrected)), so it does not address any modified or additional provisions that may be included in some States’ versions of the AP. Ultimately, it is the responsibility of the State to provide complete and accurate information to the IAEA under AP Article 2. While the AP Declaration Helper web site can assist users involved in this process, it is no substitute for a comprehensive and systematic evaluation by the State and by those organizations and individuals that the State has chosen to make responsible for providing input to its declaration.