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  <div class="section" id="module-stdnum.de.idnr">
<span id="stdnum-de-idnr"></span><h1>stdnum.de.idnr<a class="headerlink" href="#module-stdnum.de.idnr" title="Permalink to this headline"></a></h1>
<p>IdNr (Steuerliche Identifikationsnummer, German personal tax number).</p>
<p>The IdNr (or Steuer-IdNr) is a personal identification number that is
assigned to individuals in Germany for tax purposes and is meant to replace
the Steuernummer. The number consists of 11 digits and does not embed any
personal information.</p>
<p>More information:</p>
<ul class="simple">
<li><a class="reference external" href="https://de.wikipedia.org/wiki/Steuerliche_Identifikationsnummer">https://de.wikipedia.org/wiki/Steuerliche_Identifikationsnummer</a></li>
<li><a class="reference external" href="http://www.identifikationsmerkmal.de/">http://www.identifikationsmerkmal.de/</a></li>
</ul>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">validate</span><span class="p">(</span><span class="s1">&#39;36 574 261 809&#39;</span><span class="p">)</span>
<span class="go">&#39;36574261809&#39;</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">validate</span><span class="p">(</span><span class="s1">&#39;36574261890&#39;</span><span class="p">)</span>
<span class="gt">Traceback (most recent call last):</span>
    <span class="o">...</span>
<span class="gr">InvalidChecksum</span>: <span class="n">...</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">validate</span><span class="p">(</span><span class="s1">&#39;36554266806&#39;</span><span class="p">)</span>  <span class="c1"># more digits repeated</span>
<span class="gt">Traceback (most recent call last):</span>
    <span class="o">...</span>
<span class="gr">InvalidFormat</span>: <span class="n">...</span>
<span class="gp">&gt;&gt;&gt; </span><span class="nb">format</span><span class="p">(</span><span class="s1">&#39;36574261809&#39;</span><span class="p">)</span>
<span class="go">&#39;36 574 261 809&#39;</span>
</pre></div>
</div>
<dl class="function">
<dt id="stdnum.de.idnr.compact">
<code class="descclassname">stdnum.de.idnr.</code><code class="descname">compact</code><span class="sig-paren">(</span><em>number</em><span class="sig-paren">)</span><a class="headerlink" href="#stdnum.de.idnr.compact" title="Permalink to this definition"></a></dt>
<dd><p>Convert the number to the minimal representation. This strips the
number of any valid separators and removes surrounding whitespace.</p>
</dd></dl>

<dl class="function">
<dt id="stdnum.de.idnr.format">
<code class="descclassname">stdnum.de.idnr.</code><code class="descname">format</code><span class="sig-paren">(</span><em>number</em><span class="sig-paren">)</span><a class="headerlink" href="#stdnum.de.idnr.format" title="Permalink to this definition"></a></dt>
<dd><p>Reformat the number to the standard presentation format.</p>
</dd></dl>

<dl class="function">
<dt id="stdnum.de.idnr.is_valid">
<code class="descclassname">stdnum.de.idnr.</code><code class="descname">is_valid</code><span class="sig-paren">(</span><em>number</em><span class="sig-paren">)</span><a class="headerlink" href="#stdnum.de.idnr.is_valid" title="Permalink to this definition"></a></dt>
<dd><p>Check if the number provided is a valid tax identification number.
This checks the length, formatting and check digit.</p>
</dd></dl>

<dl class="function">
<dt id="stdnum.de.idnr.validate">
<code class="descclassname">stdnum.de.idnr.</code><code class="descname">validate</code><span class="sig-paren">(</span><em>number</em><span class="sig-paren">)</span><a class="headerlink" href="#stdnum.de.idnr.validate" title="Permalink to this definition"></a></dt>
<dd><p>Check if the number provided is a valid tax identification number.
This checks the length, formatting and check digit.</p>
</dd></dl>

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