Choose Tools menu > Category List.
The Tax Line Item column shows which categories
are tax-related, and the tax line item linked to each.
Click action icon (the Action icon) and then choose Edit to
assign the tax line item linked to a category.
Tip: If you don’t
see the Tax Line Item column, click gear icon (the Gear icon) and choose Tax
You may find that Quicken doesn’t have all the tax-related categories
you need. For example, if you subscribe to certain periodicals that are related
to the production of tax-related income, you may want to create a category to
track that information in Quicken.