public class ItemHandler : SPItemEventReceiver
{
    public override void ItemCheckedIn(SPItemEventProperties properties)
    {
        base.ItemCheckedIn(properties);
        string outresult = "";
        properties.ListItem.File.SendToOfficialFile(out outresult);
    }
}

public class Policy : IPolicyFeature
{
    #region IPolicyFeature Members

    void IPolicyFeature.OnCustomDataChange(PolicyItem policyItem, SPContentType ct)
    {
        
    }

    void IPolicyFeature.OnGlobalCustomDataChange(PolicyFeature feature)
    {
        
    }

    bool IPolicyFeature.ProcessListItem(SPSite site, PolicyItem policyItem, SPListItem listItem)
    {
        return true;
    }

    bool IPolicyFeature.ProcessListItemOnRemove(SPSite site, SPListItem listItem)
    {
        return true;
    }

    void IPolicyFeature.Register(SPContentType ct)
    {
        SPEventReceiverDefinition def = ct.ParentList.EventReceivers.Add();
        def.Assembly = "RecordCenterEventHandler, Version=1.0.0.0, Culture=neutral, PublicKeyToken=63d00638793ae332";
        def.Class = "RecordCenterEventHandler.ItemHandler";
        def.Name = "Envoi le document dans le record center";
        def.Type = SPEventReceiverType.ItemCheckedIn;
        def.SequenceNumber = 1000;
        def.Update();
    }

    void IPolicyFeature.UnRegister(SPContentType ct)
    {
        if (ct != null)
        {
            foreach (SPEventReceiverDefinition def in ct.ParentList.EventReceivers)
            {
                if (def.Name == "Envoi le document dans le record center")
                {
                    def.Delete();
                    break;
                }
            }
        }
    }

    #endregion
}

<?xml version="1.0" encoding="utf-8" ?>
<PolicyFeature id="RecordCenter" xmlns="urn:schemas-microsoft-com:office:server:policy">
  <Name>Envoi le document dans le record center</Name>
  <Description>Envoi le document dans le record center</Description>
  <Publisher>Ludovic</Publisher>
  <AssemblyName>RecordCenterPolicy, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c9d0e94dd89778f7</AssemblyName>
  <ClassName>RecordCenterPolicy.Policy</ClassName>
</PolicyFeature>

static void Main(string[] args)
{
    XmlDocument doc = new XmlDocument();
    doc.Load(@"[CheminVersLeFichier]\RecordCenterPolicy.xml");
    PolicyFeatureCollection.Add(doc.InnerXml);
}