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LICENSE.txt

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+If the repository is code or a code package, add a LICENSE file with the open source license, the software addendum for software developed by U.S. Government employees, and the disclaimer. Here is an example.
+
+The zoid package as a whole is distributed under GPL-3 (GNU GENERAL PUBLIC
+LICENSE version 3).
+
+In addition this software has the following license addendum:
+
+Software code created by U.S. Government employees is not subject to copyright in the United States (17 U.S.C. §105). The United States/Department of Commerce reserve all rights to seek and obtain copyright protection in countries other than the United States for Software authored in its entirety by the Department of Commerce. To this end, the Department of Commerce hereby grants to Recipient a royalty-free, nonexclusive license to use, copy, and create derivative works of the Software outside of the United States.
+
+With the following disclaimer:
+
+This package is a scientific product and is not official communication of the National Oceanic and Atmospheric Administration, or the United States Department of Commerce. All NOAA code is provided on an 'as is' basis and the user assumes responsibility for its use. Any claims against the Department of Commerce or Department of Commerce bureaus stemming from the use of this package will be governed by all applicable Federal law. Any reference to specific commercial products, processes, or services by service mark, trademark, manufacturer, or otherwise, does not constitute or imply their endorsement, recommendation or favoring by the Department of Commerce. The Department of Commerce seal and logo, or the seal and logo of a DOC bureau, shall not be used in any manner to imply endorsement of any commercial product or activity by the Department of Commerce or the United States Government.