Use the worksheet that matches your tax year. Amounts are copied to the Deductions Worksheet in the generated PDF (page 4 for tax year 2026).
2026 Form W-4 — Step 4(b) Deductions Worksheet (matches IRS page 4). See form instructions for limits and definitions. Line 15 is the amount that also belongs in Step 4(b) above.
Line 1 — Qualified tips, overtime, passenger vehicle loan interest
Line 3 — Seniors age 65 or older
Line 6 — Itemized deductions (Schedule A)
Lines 8–15