Enter your name, address, and social security number.
Select your filing status and the total number of allowances you are claiming. If you are unsure about the number of allowances to claim, use the Worksheet provided on Form D-4 to determine the correct deduction.
Sign and date the form.
If you work at the Census Headquarters in the State of Maryland, you must complete and sign the Certification of Non-residence (#4) on the Maryland state tax form (form MW-507) to waive Maryland state taxes. Instructions for claiming non-residence are found on page 2 under "Line 4".