The IRS and the Social Security Administration have announced the cost-of-living adjustments for various benefit plan limits for 2010. Limits affecting retirement plans are shown directly below and the limits for health and certain other fringe benefit plans are shown on the following page.
Retirement Plan Limits
Last week, the Service provided updated retirement plan limits effective for the plan year that begins on or after January 1, 2010. Due to the low inflation rate in 2009, most limits did not receive their traditional cost-of-living adjustment. The 2010 limits, as well as the 2009 limits, are as follows:Â
 2009
 2010
 $16,500
 $5,500
Section 415 Limits Defined Contribution Plan Annual Addition MaximumDefined Benefit Plan Dollar MaximumDefined Benefit Plan Compensation Multiplier – Used to determine limit for     participants who separated from service prior to January 1, 2010
$49,000$195,0001.0530
$49,000$195,0001.0000Â
 $245,000$360,000
$110,000
$160,000
$985,000
$195,000
$11,500$2,500
 $166,000$105,000
 $167,000$105,000
Social Security Wage Base
The Social Security Administration has also published its new 2010 limit for the Social Security wage base. For the first year since 1975, the taxable wage base (tax rate 6.2%) remains unchanged at $106,800 in 2010.
Health and Fringe Benefit Plan Limits
The Service has also released health and fringe benefit plan adjustments effective January 1, 2010. The 2010 limits, as well as the 2009 limits, are as follows:
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2009
2010
$1,150$2,300$5,800$11,600
$1,200$2,400$5,950$11,900
Health Savings Accounts – Maximum Contribution Limits (§223(b))    Self Only    Family    Catch-Up Contributions (age 55 by the end of the year)
$3,000$5,950$1,000
$3,050$6,150$1,000
Medical Savings Accounts – Health Plan Limits (§220(c)(2)(A))    Annual Deductible – Self Only    Annual Deductible – Family    Out-of-Pocket Maximum – Self Only    Out-of-Pocket Maximum – Family
$2,000 to $3,000$4,000 to $6,050$4,000$7,350
$2,000 to $3,000$4,050 to $6,050$4,050$7,400
Medical Savings Accounts – Maximum Contribution Limits (§220(b)(2))    Self Only (65% of deductible)    Family (75% of deductible)
$1,300 to $1,950$3,000 to $4,537
$1,300 to $1,950$3,037 to $4,537
Transportation Fringe Benefits – Monthly Limits (§132(f)(2))    Parking    Transit Passes and Vanpooling (effective March 1, 2009)
$230$230
Employer Adoption Assistance Exclusion (§137)    Maximum Gross Income Exclusion    Modified AGI Phase-out – Start    Modified AGI Phase-out – End
$12,150$182,180$222,180
$12,170$182,520$222,520