Starting with 2018 returns to current: Form 2106 will be used by Armed Forces reservists, qualified performing artists, fee-basis state or local government officials, and employees with impairment-related work expenses. Due to the suspension of miscellaneous itemized deductions subject to the 2% floor under section 67(a), employees who do not fit into one of the listeAn ordinary expense is one that is common and accepted in your field of trade, business, or profession. A necessary expense is one that is helpful and appropriate for your business. An expense does not have to be required to be considered necessary.
See www.IRS.gov for more information and instructions for form 2106.