1. Employer tax rate for Medicare and Social Security will remain 6.2% with a wage limit of $106,800
2. Employee tax rate for Medicare and Social Security will be 4.2%
3. Medicare will be 1.45% for employers and employees with no wage limit
4. Employers should update their systems to reflect these new changes by January 31, 2011
5. Employees should be reimbursed any tax overage made during the transition by March 31, 2011
6. Everyone should review their tax withholdings to make any necessary adjustments
Source: IRS.gov