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The amount in Box 1 can be unlimited but the amount in Box 3 and 7 should never exceed $ 106,800 in 2011. Also;
Elective salary deferrals to a 401(k), 403(b) Simple, Salary reduction SEP as well as payments of adoption expenses and deferred amounts under a nonqualified plan or 457 plan are included in Box 3 and not in Box 1 Taxable wages.

If you worked in a restaurant employing 10 or more people, your employer will report in Box 8 your share of taxable tip income.
The amount in Box 8 is includable in Form 1040 Line 7.

Reimbursements from your employer and the value of employer care services are included in Box 10
Generally, amounts up to $5,000 are tax free and the excess over $5,000 are included on Form 1040 line 7 as taxable wages.

Elective deferrals from retirement plans and adjustments or deductions are listed with a code and an amount in Box 12.
CODES:
A = Uncollected SS or RRTA tax on tips
B = Uncollected Medicare tax on tips
C = Taxable cost of group life insurance over 50K
D through H,S,AA,BB,EE = Elective Deferrals and Roth contributions
J = Nontaxable sick pay
K = 20% excise tax on golden paachute payments
L = Employee business expense reimbursements
M = Uncollected SS or RRTA tax on life insurance
N = Uncollected Medicare tax on life insurance
P =excludable moving expense reimbursements
Q =Nontaxable combat pay
R = Employer contributions to Archer MSA
S = salary reduction under 408(p) Simple
T = Adoption benefits
V= income from stock option
W = HSA employer contribution
Y = 409A deferral
Z = 409A income
AA = Roth contribution under 401(k)
BB =Roth contribution under 403(b)
DD = employer health coverage
EE =Roth contribution under 457(b)

If the recipient is a statutory employee, wage income and expenses are reportable on Schedule C. Earnings are not subject to income tax withholding but are subject to SS and Medicare taxes.
Covered by a retirement plan box being X'd means the recipient is subject to the phase-out rules for IRA deductions.
Income reportable as 3rd party sick pay has this checkbox X'd.

For 2012, the Personal and Dependency Exemptions increased by $100 to $3,800.
in 2013 ATRA, permanently extends the repeal of the personal exemption phase-out on incomes at or below $250,000 (individual filers), $275,000 (heads of households) and $300,000 (married filing jointly).,br> Exemptions will be phased out for taxpayers with adjusted gross income (AGI) above the AGI's mentioned above.

The Annual Gift Exclusion remains at $14,000 per donee.

The Federal Estate tax Unified credit has increased to $5,250,000.

You are required to pay self-employment tax on self-employment income after you retire and receive Social Security>

Taxable fringe benefits and miscellaneous payments are listed in box 14.