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  1. Forms & instructions - Internal Revenue Service

  2. Forms, instructions and publications | Internal Revenue Service

  3. Tax forms and publications | Internal Revenue Service

  4. Get federal tax return forms and file by mail - USAGov

  5. IRS tax forms - Tools | Internal Revenue Service

  6. Federal tax forms - USAGov

  7. Free File , Free File Fillable Forms, and Direct File

  8. Social Security Forms | SSA