Employee Business Use of Home expenses are reported on Line 4 of IRS Form 2106 Employee Business Expenses and on Line 21 of Schedule A as an itemized deduction.
To access the Q&A interview screens to enter your home office expenses:
TaxAct will use the higher of your itemized deductions or the standard deduction for your filing status in order to maximize the tax benefit to you. See Standard Deduction for more information.