You can find this under 'Less Common Business Expenses' when you open up the section. TurboTax does not always display the entire list of possible expenses.
Click on 'Add Expenses' to see more choices.
However, you can always type it in under 'Other Miscellaneous Expenses'.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"