If your expense is rejected, you can use the Rydoo App to reply to the reject message and re-submit the expense.
Follow these steps to manage your rejected expenses.
When in the To-Do list, tap on the rejected expense.
Tap on the Activity tab.
Tap on the Reply and submit.
Enter your message in the reply and submit page. When done, Tap on the “Reply and submit expense”.
For web rejected expenses, see below article.