es.html#cb269-5" tabindex="-1"></a></span>
<span id="cb269-6"><a href="sect-sdmxrules.html#cb269-6" tabindex="-1"></a><span class="fu">head</span>(codelist)</span>
<span id="cb269-7"><a href="sect-sdmxrules.html#cb269-7" tabindex="-1"></a>[<span class="dv">1</span>] <span class="st">&quot;_T&quot;</span>  <span class="st">&quot;_X&quot;</span>  <span class="st">&quot;_Z&quot;</span>  <span class="st">&quot;A&quot;</span>   <span class="st">&quot;A_B&quot;</span> <span class="st">&quot;A01&quot;</span></span