Entry on an I.R.S. form: Abbr.

• Tax form datum: Abbr.
• ID card digits
• Mtge. application datum
• Taxpayer's nine-digit ID
• Bank acct. info
• Form W-4 input (Abbr.)
• Apt. application datum
• 1040 entry (Abbr.)

Wikipedia Word definitions in Wikipedia
SSN may refer to: