W2 Box 12 Codes

Question 1

A

Answer 1

Uncollected Social Security tax or railroad retirement tax on tips (note: if get Railroad stuff, send to higher-level tax pro)

Question 2

B

Answer 2

Uncollected Medicare tax on tips

Question 3

C

Answer 3

The cost of group-term life insurance coverage in excess of $50k. This amount is taxable and included in boxes 1, 3, 5.

Question 4

D

Answer 4

401k contributions

Question 5

E

Answer 5

403b contributions

Question 6

F

Answer 6

408k SEP contributions

Question 7

G

Answer 7

457 contributions

Question 8

H

Answer 8

501 contributions

Question 9

J

Answer 9

The amount of sick pay not includible in income because the employee contributed to a sick pay plan

Question 10

K

Answer 10

20% excise tax on golden parachute payments

Question 11

L

Answer 11

Substantiated employee business expense reimbursements. (nontaxable)

Question 12

M

Answer 12

Uncollected social security tax or RRTA tax on excess coverage cost on taxable cost of group-term life insurance over $50k (for former employees)

Question 13

N

Answer 13

Same as M, but amt is uncollected Medicare tax.

Question 14

P

Answer 14

Excludible amounts paid directly to an employee for a work related move

Question 15

Q

Answer 15

Nontaxable combat pay

Question 16

R

Answer 16

Employer contributions to the employee’s Archer MSA (medical savings account)

Question 17

S

Answer 17

Employee salary reduction contributions under a 408(p) (SIMPLE) plan (not included in box 1).

Question 18

T

Answer 18

Employer-provided adoption benefits (generally non-taxable)

Question 19

V

Answer 19

Income from exercise of certain stock options. Amount included in box 1,3,5

Question 20

W

Answer 20

Employer contributions to Employee Health Savings Account (HSA)

Question 21

Y

Answer 21

Deferrals from a 409A nonqualified deferred compensation plan

Question 22

Z

Answer 22

Income under a 409A nonqualified deferred compensation plan

Question 23

AA

Answer 23

Designated Roth contributions to a 401k plan

Question 24

BB

Answer 24

Designated Roth contributions to a 403b salary reduction agreement

Question 25

DD

Answer 25

Cost of employer-sponsored health coverage

Question 26

EE

Answer 26

Designated Roth contributions under a 457 plan