Retirement tax questions

Box 12 codes

  • A: Uncollected social security or RRTA tax on tips reported to your employer
  • AA: Designated Roth contributions under a section 401(k) plan
  • B: Uncollected Medicare tax on tips reported to your employer (but not Additional Medicare Tax)
  • BB: Designated Roth contributions under a section 403(b) plan
  • C: Taxable cost of group-term life insurance over $50,000
  • D: Contributions to your 401(k) plan
  • DD: Cost of employer-sponsored health coverage. More info
  • E: Contributions to your 403(b) plan
  • EE: Designated Roth contributions under a governmental section 457(b) plan
  • F: Contributions to your 408(k)(6) plan
  • FF: Permitted benefits under a qualified small employer health reimbursement arrangement
  • G: Contributions to your 457(b) plan
  • GG: Income from qualified equity grants under section 83(i)
  • H: Contributions to your 501(c)(18)(D) plan
  • HH: Aggregate deferrals under section 83(i)
  • J: Non-taxable sick pay
  • K: 20% excise tax on excess golden parachute payments
  • L: Substantiated employee business expense reimbursements
  • M: Uncollected social security or RRTA tax on taxable cost of group-term life insurance over $50,000 (only applies to former employees)
  • N: Uncollected Medicare tax on taxable cost of group-term life insurance over $50,000 (but not Additional Medicare Tax) (only applies to former employees)
  • P: Excludable moving expense reimbursements paid directly to a member of the U.S. Armed Forces (not included in box 1, 3, or 5)
  • Q: Nontaxable combat pay
  • R: Company contributions to an Archer MSA
  • S: Contributions to your 408(p) SIMPLE plan
  • T: Employer-provided adoption benefits
  • V: Income from the exercise of non-statutory stock options
  • W: Company contributions (including employee contributions through a cafeteria plan) to an employee's health savings account (HSA)
  • Y: Deferrals under section 409A on a nonqualified deferred compensation plan
  • Z: Income under a nonqualified deferred compensation plan that fails to satisfy section 409A. This amount is subject to an additional 20% tax plus interest (TurboTax does not support this calculation).