Вы пробовали Запрос опции заказа ?
// Create the request.
OrderOptionRequest orderOptionRequest = new OrderOptionRequest();
// Set the properties for the request
orderOptionRequest.AttributeLogicalName = "address1_addresstypecode";
orderOptionRequest.EntityLogicalName = EntityName.contact.ToString();
// Set the order for the options.
orderOptionRequest.Values = new int[] { 4, 3, 2, 1 };
// Execute the request
OrderOptionResponse orderOptionResponse = (OrderOptionResponse)metadataService.Execute(orderOptionRequest);