INTRODUCTION
In order to deduct expenses in your trade or business, you must show that the
expenses are “ordinary and necessary.” An ordinary expense is one that is customary
in your particular line of work. A necessary expense is one that is appropriate but not
necessarily essential in your business. The application of these terms to you relies
heavily on the “facts and circumstances” of your unique situation.
Below are helpful brochures that detail what you should keep track of: