e eventual conversion methods and policies applied to approximate a call are left
            at the discretion of the server and service, but both SHOULD strive to avoid conversions
            that cause any loss or precision of data.</li>
    </ul>
    <h2 id="ProcedureReturn">7. 
        Procedure Return (Response)</h2>
    <p>
        When a remote procedure call is made, the service MUST reply with a response whether
        the invocation was successful or not.
    </p>
    <h3 id="ResponseStatusCode