Taxpayer’s ID Crossword Clue

 The most common answer to the crossword clue "Taxpayer's ID" is SSN, which stands for Social Security Number. A SSN is a nine-digit number that is assigned to each individual by the Social Security Administration. It is used to track a person's earnings and benefits throughout their lifetime.

Other possible answers to the clue "Taxpayer's ID" include:

EIN: Employer Identification Number

TIN: Taxpayer Identification Number

ITIN: Individual Tax Identification Number

W-9: Form W-9 is used to request a taxpayer identification number from a person or company

The specific answer that is used in a crossword clue will depend on the context of the clue and the other words in the puzzle. For example, if the clue is "Taxpayer's ID used on a W-9 form", the answer might be "TIN". However, if the clue is "Taxpayer's ID used to track earnings", the answer might be "SSN".

I hope this helps! Let me know if you have any other questions.