how to file schedule a
the instructions for schedule a explain which of your expenses are deductible and where they should be listed on the form schedule a can be downloaded on the irs website schedule a requires taxpayers to list their deductible expenses in any or all of the six designated categories like the standard deduction the itemized deductions on schedule a are subtracted from the taxpayer s adjusted gross income agi to determine taxable income if you itemize your deductions save documentation of eligible expenses throughout the year including receipts invoices and images of canceled checks 