Sorry---a W-4 is the document you fill out for an employer to tell them how much tax to withhold from your pay for a W-2 job. There are no federal job-related tax deductions for mileage, clothing, etc. Job-related expenses for W-2 employees were eliminated as a federal deduction beginning with tax year 2018.
https://ttlc.intuit.com/questions/4482873-which-federal-tax-deductions-have-been-suspended-by-tax-re...
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