In order to Mark and Expense Paid by the Other Parent, you will have to:
1. Click on "Transactions" on the left side taskbar.
2. Click on 'All Transactions"
3. To pay an expense, click on the expense and then you will see all the information come up on the right side.
4. Once here you will be able to see all the transactions that you owe, also being able to export the expenses, and filter them in different orders. You are also able to pay multiple expenses at once or do partial payments.