&gt;  Was shown this address but it isn&#x27;t valid<p>Wachtell, Lipton, Rosen &amp; Katz would disagree with you: <a href="http:&#x2F;&#x2F;www.wlrk.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.wlrk.com&#x2F;</a><p>But perhaps you were referring to the fact that there should be a newline between the care-of and the street address?<p><pre><code>    c&#x2F;o WLRK
    51 West 52nd Street
    New York, NY 10019</code></pre>