Related Clues:

• It has nine figures: Abbr.
• Tax-form ID
• ID sought by phishers
• Taxpayer ID
• IRS form 1040 datum
• Item on an IRS form
• Certain ID info
• Important ID
• W-4 datum: Abbr.
• ID to guard from identity theft
• W-4 fig.
• IRS requirement
• ID with dashes
• Form W-9 datum: Abbr.
• Common form datum: Abbr.