> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kraken.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Order Cancel Request

> Cancel an existing order via FIX.

Cancel an existing order.

A successful order cancellation will result in an [execution report](/institutional/api-reference/prime-fix/er) with the OrdStatus set to 4 (Cancelled).
Unsuccessful cancellation requests will result in a [business level reject](/institutional/api-reference/prime-fix/ocrej) message with the reason of the rejection.

<Tabs>
  <Tab title="FIX Specification">
    <ParamField path="header" type="" required> MsgType <code>F</code> </ParamField>

    <ParamField path="11 - ClOrdID" type="string" required>
      Unique identifier for Order as assigned by the client. Must be `<= 36 characters`. UUIDs are recommended.
    </ParamField>

    <ParamField path="41 - OrigClordid" type="string">
      ClOrdID(11) of the previous non-rejected order. One of ClOrdID or OrderID is required at least for the cancellation to be accepted.
    </ParamField>

    <ParamField path="55 - Symbol" type="string" required>
      The symbol of the currency pair to place an order on in the format `BASE-QUOTE`.
    </ParamField>

    <ParamField path="54 - Side" type="integer" required>
      Side of the order.

      <ul>
        <b>Possible values: </b>
        <li><code>1</code> : Buy</li>
        <li><code>2</code> : Sell</li>
      </ul>
    </ParamField>

    <ParamField path="60 - TransactTime" type="string" required>
      Time of order cancellation expressed in UTC. Format: YYYYDD-HH:MM:SS.uuu
    </ParamField>

    <ParamField path="trailer" type="" required />
  </Tab>
</Tabs>