How to make an expense attachment mandatory for an expense type?

Question
How to make an expense attachment mandatory for an expense type?

Answer
Making an attachment mandatory for an expense type

1. In System Manager, click Time and Expenses > Expenses.
2. In the Expense category list, select the expense category.
3. In the Expense type column, select the expense type.
4. To make an attachment mandatory:
a. Select the Attachment required check box.
b. In the Attachment threshold field, enter the threshold amount.
To make an attachment mandatory regardless of the expense amount, enter 0.
c. In the Attachment threshold currency list, select the currency for the amount.
5. Click Save.