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This page contains information meant for LLNL Employees with instructions for how to mark their source code projects. It is not intended to serve as legal advice.

Required Files

All LLNL software must contain the following files at the root of the source code repository:

1. README file

All projects shall have a file at the root of the repository. The must contain the LLNL release number (LLNL-CODE-XXXXXX). We recommend putting it at the bottom in a section called “Release”. See this example.

Additionally, we recommend that all projects have the following sections:

The .md suffix stands for “markdown”. Markdown is a plain text format. It’s easy to read and write, but it also allows you to add simple formatting and links so that your will render nicely on GitHub. Take a look at GitHub’s markdown guide for the basics. For inspiration, look at other projects’ files at, or take a look at this simple template.

2. NOTICE file

At the root of every source code repository shall be the following text in a file named NOTICE:

This work was produced under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract

This work was prepared as an account of work sponsored by an agency of
the United States Government. Neither the United States Government nor
Lawrence Livermore National Security, LLC, nor any of their employees
makes any warranty, expressed or implied, or assumes any legal liability
or responsibility for the accuracy, completeness, or usefulness of any
information, apparatus, product, or process disclosed, or represents that
its use would not infringe privately owned rights.

Reference herein to any specific commercial product, process, or service
by trade name, trademark, manufacturer, or otherwise does not necessarily
constitute or imply its endorsement, recommendation, or favoring by the
United States Government or Lawrence Livermore National Security, LLC.

The views and opinions of authors expressed herein do not necessarily
state or reflect those of the United States Government or Lawrence
Livermore National Security, LLC, and shall not be used for advertising
or product endorsement purposes.

3. Open Source LICENSE file

One of the following files must be included at the top level of your repository with the file name LICENSE. The only content which may be changed in the file is the copyright year.

If your repository was approved for release under a different open source license, the text of that license will be provided by the Innovation and Partnerships Office.

Have Questions?

If you still have questions or need more information, contact the LLNL GitHub Admins.