old.txt   Corrected TLP 5.0 legal provsions.txt 
Legal Provisions Relating to IETF Documents Legal Provisions Relating to IETF Documents
Note: in prior versions of these provisions, the software license was
erroneously called the “Simplified BSD License” rather than the “Revised BSD
License”, and many documents that refer to these provisions copied the erroneous
name. The IETF Trust corrected the error on September __, 2021. The license text
itself was always that of the Revised BSD License and has not changed.
Effective Date: March 25, 2015 Effective Date: March 25, 2015
1. Background 1. Background
The IETF Trust was formed on December 15, 2005, for, among other things, the The IETF Trust was formed on December 15, 2005, for, among other things, the
purpose of acquiring, holding, maintaining and licensing certain existing and purpose of acquiring, holding, maintaining and licensing certain existing and
future intellectual property used in connection with the Internet standards future intellectual property used in connection with the Internet standards
process and its administration, for the advancement of science and technology process and its administration, for the advancement of science and technology
associated with the Internet and related technology. Accordingly, pursuant to associated with the Internet and related technology. Accordingly, pursuant to
RFC 5378, Contributors grant the IETF Trust certain licenses with respect to RFC 5378, Contributors grant the IETF Trust certain licenses with respect to
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b. Identification. Text in IETF Contributions and IETF Documents of the types b. Identification. Text in IETF Contributions and IETF Documents of the types
identified in Section 4.a above shall constitute “Code Components”. In identified in Section 4.a above shall constitute “Code Components”. In
addition, any text found between the markers <CODE BEGINS> and <CODE ENDS>, addition, any text found between the markers <CODE BEGINS> and <CODE ENDS>,
or otherwise clearly labeled as a Code Component, shall be considered a “Code or otherwise clearly labeled as a Code Component, shall be considered a “Code
Component”. Component”.
c. License. In addition to the licenses granted under Section 3, unless one of c. License. In addition to the licenses granted under Section 3, unless one of
the legends contained in Section 6.c.i or 6.c.ii is included in an IETF the legends contained in Section 6.c.i or 6.c.ii is included in an IETF
Document containing Code Components, such Code Components are also licensed Document containing Code Components, such Code Components are also licensed
to each person who wishes to receive such a license on the terms of the to each person who wishes to receive such a license on the terms of the
“Simplified BSD License”, as described below. If a licensee elects to apply “Revised BSD License”, as described below. If a licensee elects to apply the
the BSD License to a Code Component, then the additional licenses and BSD License to a Code Component, then the additional licenses and
restrictions set forth in Section 3 and elsewhere in these Legal Provisions restrictions set forth in Section 3 and elsewhere in these Legal Provisions
shall not apply thereto. Note that this license is specifically offered for shall not apply thereto. Note that this license is specifically offered for
IETF Documents and may not be available for Alternate Stream documents. See IETF Documents and may not be available for Alternate Stream documents. See
Section 8 for licensing information for the appropriate stream. Section 8 for licensing information for the appropriate stream.
BSD License: BSD License:
Copyright (c) <insert year> IETF Trust and the persons identified as authors of Copyright (c) <insert year> IETF Trust and the persons identified as authors of
the code. All rights reserved.Redistribution and use in source and binary forms, the code. All rights reserved.Redistribution and use in source and binary forms,
with or without modification, are permitted provided that the following with or without modification, are permitted provided that the following
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
The above BSD License is intended to be compatible with the Simplified BSD The above BSD License is intended to be compatible with the Revised BSD License
License template published at http://opensource.org/licenses/bsd-license.php . template published at https://opensource.org/licenses/BSD-3-Clause .
d. Attribution. Those who use Code Components under the license granted under d. Attribution. Those who use Code Components under the license granted under
Section 4.c above are requested to attribute each such Code Component to IETF Section 4.c above are requested to attribute each such Code Component to IETF
and identify the RFC or other IETF Document or IETF Contribution from which and identify the RFC or other IETF Document or IETF Contribution from which
it is taken. Such attribution may be placed in the code itself (e.g., “This it is taken. Such attribution may be placed in the code itself (e.g., “This
code was derived from IETF RFC [insert RFC number]. Please reproduce this code was derived from IETF RFC [insert RFC number]. Please reproduce this
note if possible.”), or any other reasonable location. note if possible.”), or any other reasonable location.
e. BSD License Text. For purposes of compliance with the redistribution clauses e. BSD License Text. For purposes of compliance with the redistribution clauses
of the Simplified BSD License set forth in Section 4.c above, it is of the Revised BSD License set forth in Section 4.c above, it is permissible,
permissible, when using Code Components extracted from IETF Contributions and when using Code Components extracted from IETF Contributions and IETF
IETF Documents, either (1) to reproduce the entire text of the Simplified BSD Documents, either (1) to reproduce the entire text of the Revised BSD License
License set forth in Section 4.c above as part of such Code Component, or (2) set forth in Section 4.c above as part of such Code Component, or (2) to
to include in such Code Component the legend set forth in Section 6.d below. include in such Code Component the legend set forth in Section 6.d below.
5. License Limitations. 5. License Limitations.
a. No Patent License. The licenses granted under these Legal Provisions shall a. No Patent License. The licenses granted under these Legal Provisions shall
not be deemed to grant any right under any patent, patent application or not be deemed to grant any right under any patent, patent application or
similar intellectual property right. similar intellectual property right.
b. Supersedure. The terms of any license granted under these Legal Provisions b. Supersedure. The terms of any license granted under these Legal Provisions
may be superseded by a written agreement between the IETF Trust and the may be superseded by a written agreement between the IETF Trust and the
licensee that specifically references and supersedes the relevant provisions licensee that specifically references and supersedes the relevant provisions
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i. Copyright and License Notice. i. Copyright and License Notice.
Copyright (c) <insert year> IETF Trust and the persons identified as the Copyright (c) <insert year> IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust’s Legal Provisions This document is subject to BCP 78 and the IETF Trust’s Legal Provisions
Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on
the date of publication of this document. Please review these documents the date of publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect to this carefully, as they describe your rights and restrictions with respect to this
document. Code Components extracted from this document must include Simplified document. Code Components extracted from this document must include Revised BSD
BSD License text as described in Section 4.e of the Trust Legal Provisions and License text as described in Section 4.e of the Trust Legal Provisions and are
are provided without warranty as described in the Simplified BSD License. provided without warranty as described in the Revised BSD License.
ii. Alternate Stream Documents Copyright and License Notice. In all Alternate ii. Alternate Stream Documents Copyright and License Notice. In all Alternate
Stream Documents (including RFCs and Internet-Drafts): Stream Documents (including RFCs and Internet-Drafts):
Copyright (c) <insert year> IETF Trust and the persons identified as the Copyright (c) <insert year> IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust’s Legal Provisions This document is subject to BCP 78 and the IETF Trust’s Legal Provisions
Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on
the date of publication of this the date of publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect to this
document. Please review these documents carefully, as they describe your rights document.
and restrictions with respect to this document.
c. Derivative Works and Publication Limitations. If a Contributor chooses to c. Derivative Works and Publication Limitations. If a Contributor chooses to
limit the right to make modifications and derivative works of an IETF limit the right to make modifications and derivative works of an IETF
Contribution, then one of the notices in clause (i) or (ii) below must be Contribution, then one of the notices in clause (i) or (ii) below must be
included. Note that an IETF Contribution with such a notice cannot become a included. Note that an IETF Contribution with such a notice cannot become a
Standards Track document or, in most cases, a working group document. If an Standards Track document or, in most cases, a working group document. If an
IETF Contribution contains pre-5378 Material as to which the IETF Trust has IETF Contribution contains pre-5378 Material as to which the IETF Trust has
not been granted, or may not have been granted, the necessary permissions to not been granted, or may not have been granted, the necessary permissions to
allow modification of such pre-5378 Material outside the IETF Standards allow modification of such pre-5378 Material outside the IETF Standards
Process, then the notice in clause (iii) may be included by the Contributor Process, then the notice in clause (iii) may be included by the Contributor
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This document may contain material from IETF Documents or IETF Contributions This document may contain material from IETF Documents or IETF Contributions
published or made publicly available before November 10, 2008. The person(s) published or made publicly available before November 10, 2008. The person(s)
controlling the copyright in some of this material may not have granted the IETF controlling the copyright in some of this material may not have granted the IETF
Trust the right to allow modifications of such material outside the IETF Trust the right to allow modifications of such material outside the IETF
Standards Process. Without obtaining an adequate license from the person(s) Standards Process. Without obtaining an adequate license from the person(s)
controlling the copyright in such materials, this document may not be modified controlling the copyright in such materials, this document may not be modified
outside the IETF Standards Process, and derivative works of it may not be outside the IETF Standards Process, and derivative works of it may not be
created outside the IETF Standards Process, except to format it for publication created outside the IETF Standards Process, except to format it for publication
as an RFC or to translate it into languages other than English. as an RFC or to translate it into languages other than English.
d. BSD License Notification. In lieu of the complete text of the Simplified BSD d. BSD License Notification. In lieu of the complete text of the Revised BSD
License set forth in Section 4.c, a person who elects to license a Code License set forth in Section 4.c, a person who elects to license a Code
Component under the Simplified BSD License as described in Section 4.c may Component under the Revised BSD License as described in Section 4.c may use
use the following notification in the program or other file that includes the the following notification in the program or other file that includes the
Code Component: Code Component:
Copyright (c) <insert year> IETF Trust and the persons identified as authors of Copyright (c) <insert year> IETF Trust and the persons identified as authors of
the code. All rights reserved. the code. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, Redistribution and use in source and binary forms, with or without modification,
is permitted pursuant to, and subject to the license terms contained in, the is permitted pursuant to, and subject to the license terms contained in, the
Simplified BSD License set forth in Section 4.c of the IETF Trust’s Legal Revised BSD License set forth in Section 4.c of the IETF Trust’s Legal
Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info). Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info).
7. Terms Applicable to All IETF Documents. 7. Terms Applicable to All IETF Documents.
The following legal terms apply to all IETF Documents: The following legal terms apply to all IETF Documents:
a. ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN ARE PROVIDED ON AN “AS a. ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN ARE PROVIDED ON AN “AS
IS” BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS IS” BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS
SPONSORED BY (IF ANY), THE INTERNET SOCIETY, THE IETF TRUST, THE INTERNET SPONSORED BY (IF ANY), THE INTERNET SOCIETY, THE IETF TRUST, THE INTERNET
ENGINEERING TASK FORCE AND ANY APPLICABLE MANAGERS OF ALTERNATE STREAM ENGINEERING TASK FORCE AND ANY APPLICABLE MANAGERS OF ALTERNATE STREAM
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