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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Form of ID: Abbr. 3 letters:

SSN: Tax form ID (Abbr.)
LIC: Form of ID: Abbr.
SSN: ID on IRS forms (Abbr.)
SSN: ID on tax forms (Abbr.)