title: Does the ACL feature in HF 1.4 support custom signature policy with a custom OUs
body: <p>Does the <a href="https://hyperledger-fabric.readthedocs.io/en/release-1.4/access_control.html" rel="nofollow noreferrer">ACL feature</a> support custom signature policy with a custom OUs like:</p>
  
  <pre><code>MyPolicy:
  Type: Signature
  Rule: "OR('Org1MSP.SALES')"
  </code></pre>