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      <div class="breadcrumb"><a href="/">Home</a> » <a href="/licenses">Licenses</a></div>

      <h1 property="dc:title">BSD Advertising Acknowledgement License</h1>
      <div style="display:none;"><code property="spdx:deprecated">false</code></div>
      <h2>Full name</h2>
          <p style="margin-left: 20px;"><code property="spdx:name">BSD Advertising Acknowledgement License</code></p>

      <h2>Short identifier</h2>
          <p style="margin-left: 20px;"><code property="spdx:licenseId">BSD-Advertising-Acknowledgement</code></p>

      <h2>Other web pages for this license</h2>
          <div style="margin-left: 20px;">
            <ul>
             <li>
               <a href="https://github.com/python-excel/xlrd/blob/master/LICENSE#L33" rel="rdfs:seeAlso" isValid=true isLive=true isWayBackLink=false match=false timestamp=2025-07-01T14:57:45Z>https://github.com/python-excel/xlrd/blob/master/LICENSE#L33</a>
               <!--Tentative way of displaying information <p>isValid: true, isLive: true, isWayBackLink: false, match: false, timestamp: 2025-07-01T14:57:45Z</p> -->
             </li>
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      <div property="spdx:isOsiApproved" style="display: none;">false</div>

      <h2 id="notes">Notes</h2>
          <p style="margin-left: 20px;">This appears to be similar BSD-4-Clause, but replaces the &quot;no endorsement&quot; 4th clause with an attribution clause.</p>

      <h2 id="licenseText">Text</h2>
      
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		      Text in italicized blue is omittable (see <a href="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/#b35-guideline-omittable-text">Matching Guidelines B.3.5</a>).
		      License or exception text will match to the text for the specified identifier if it either includes or excludes this omittable text.
			  <br/>
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			  Text in red is replaceable (see <a href="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/#b34-guideline-replaceable-text">Matching Guidelines B.3.4</a>).
			  License or exception text will match to the text for the specified identifier if it includes a permitted variant of this replaceable text.
			  The permitted variants can be found in the corresponding regular expression as shown in title text visible by hovering over the red text.
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      <div property="spdx:licenseText" class="license-text">
      
         <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,5000}"> 
            Copyright (c) 2001 David Giffin. All rights reserved.
         </span></var>
         <p>
            Redistribution and use in source and binary
            forms, with or without modification, are permitted
            provided that the following conditions are met:
         </p>

<ul style="list-style:none">
            
<li>
               <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 1.</span></var>
               Redistributions of source code must retain the above copyright
               notice, this list of conditions and the following disclaimer.
            </li>
            
<li>
               <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 2.</span></var>
               Redistributions in binary form must reproduce the
               above copyright notice, this list of conditions and
               the following disclaimer in the documentation and/or
               other materials provided with the distribution.
            </li>
            
<li>
               <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 3.</span></var>
               All advertising materials mentioning features or use of this
               software must display the following acknowledgment: &quot;This
               product includes software developed by<var class="replaceable-license-text"><span title="can be replaced with the pattern .+"> David Giffin &lt;david@giffin.org&gt;</span></var>
               .&quot;
            </li>
            
<li>
               <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 4.</span></var>
               Redistributions of any form whatsoever must retain
               the following acknowledgment: &quot;This product includes
               software developed by<var class="replaceable-license-text"><span title="can be replaced with the pattern .+"> David Giffin &lt;david@giffin.org&gt;</span></var>
               .&quot;
            </li>
         
</ul>
         <p>
            THIS SOFTWARE IS PROVIDED BY<var class="replaceable-license-text"><span title="can be replaced with the pattern .+"> DAVID GIFFIN</span></var>
            ``AS IS&apos;&apos; AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
            BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
            AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
            SHALL<var class="replaceable-license-text"><span title="can be replaced with the pattern .+"> DAVID GIFFIN</span></var>
            OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
            INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
            (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
            GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
            INTERRUPTION) HOWEVER CAUSED AND ON 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 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
         </p>

      
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      <h2  id="licenseHeader">Standard License Header</h2>
      <div property="spdx:standardLicenseHeader" class="license-text">
        <p style="font-style: italic">There is no standard license header for the license</p>
        
      </div>
      <div property="spdx:standardLicenseTemplate" style="display: none;">
      &lt;&lt;var;name&#61;&quot;copyright&quot;;original&#61;&quot;Copyright (c) 2001 David Giffin. All rights reserved.&quot;;match&#61;&quot;.{0,5000}&quot;&gt;&gt;&#10;Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:&#10;&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;1.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;2.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;3.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; All advertising materials mentioning features or use of this software must display the following acknowledgment: &quot;This product includes software developed by &lt;&lt;var;name&#61;&quot;nameClause3&quot;;original&#61;&quot;David Giffin &lt;david@giffin.org&gt;&quot;;match&#61;&quot;.+&quot;&gt;&gt; .&quot;&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;4.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistributions of any form whatsoever must retain the following acknowledgment: &quot;This product includes software developed by &lt;&lt;var;name&#61;&quot;nameClause4&quot;;original&#61;&quot;David Giffin &lt;david@giffin.org&gt;&quot;;match&#61;&quot;.+&quot;&gt;&gt; .&quot;&#10;THIS SOFTWARE IS PROVIDED BY &lt;&lt;var;name&#61;&quot;nameDisclaimer&quot;;original&#61;&quot;DAVID GIFFIN&quot;;match&#61;&quot;.+&quot;&gt;&gt; &#96;&#96;AS IS&#39;&#39; AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL &lt;&lt;var;name&#61;&quot;nameDisclaimer2&quot;;original&#61;&quot;DAVID GIFFIN&quot;;match&#61;&quot;.+&quot;&gt;&gt; OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 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 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.&#10;&#10;
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