
The following agreement applies to Non-Member legally-binding terms and conditions that are comparable to those that apply to Digital Twin Consortium® Members who contribute input to a Digital Twin Consortium activity or document.
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EXHIBIT A
Open Source Working Group Intellectual Property Policy
- Persons contributing software code for use by the Digital Twin Consortium in an open source project acknowledge that the copyright in all such contributions ("Code Contributions") will be retained by the copyright holder as independent works of authorship and that no contributor or copyright holder will be required to assign copyrights in Code Contributions to the Working Group.
- Except as described in Section 3, all Code Contributions to the Working Group are subject to the following:
- All new inbound Code Contributions to the Working Group must be made using the license selected by the Working Group, with the approval of the Steering Committee, from among the "Popular" licenses approved by the Open Source Initiative (the "Working Group License"); for clarification, each open source Working Group may adopt a different form of OSI-approved license, subject to the approval of the Digital Twin Consortium Steering Committee.
- All new inbound Code Contributions must also be accompanied by a Developer Certificate of Origin (http://developercertificate.org) sign-off in the source code system that is submitted through a contribution process that will bind the authorized contributor and, if not self-employed, the contributor's employer to the applicable license;
- All outbound code distributed or developed by a Working Group ("Developed Code," which may consist of Code Contributions, of modifications or derivative works of Code Contributions, or of newly developed code) will be made available under the Working Group License.
- Documentation will be received and made available by the Working Group under the Working Group License.
- The Working Group may seek to integrate and contribute Developed Code back to other open source projects ("Upstream Projects"). In such cases, the Working Group will determine whether it is willing and able to conform to all license requirements of the Upstream Projects, including dependencies, leveraged by the Working Group. Upstream Project contributions of Developed Code not stored within the repository that holds the Working Group's Developed Code will comply with the contribution process and license terms for the applicable Upstream Project.
- The Digital Twin Consortium Steering Committee may approve the use of an alternative license or licenses for inbound or outbound Code Contributions or other Developed Code on an exception basis. To request an exception, the Working Group will be required to describe the Code Contribution or Developed Code at issue, the alternative open source license(s), and the justification for using an alternative open source license for the Working Group. License exceptions must be approved by a two-thirds vote of the entire Digital Twin Consortium Steering Committee.