It is possible to hide Mileage rates, VAT, Category and Expense Category codes on AutoEntry. This essentially marks them as invisible from your invoice/expense dropdown menus in your Inbox, but they will still remain on your Manage Lists page.
This article will take you through the steps required to hide codes from each tab in Manage Lists.
Uploaders of Purchase/Sales invoices and Expenses.
To hide any of your VAT/Category/Expenses Category codes and Mileage rates, please do the following:
Navigate to the Manage Lists page from your company homepage.
Select the tab you need from the top of the page (this navigation bar will have different options depending on your company's integration).
To hide a code from the list, simply click on the toggle under the Visible column. Switching this to Off will hide the code from the dropdown menus on your invoices and/or expenses! Any changes will be automatically saved.