The IRS asks that employers start using the new withholding tables and reducing the amount of Social Security tax withheld as soon as possible in 2011

ezPaycheck Payroll Software Helps Employers Meet Jan 31, 2011 Deadline to Update Payroll Tax Rate on Tax Relief Act. The IRS asks that employers start using the new withholding tables and reducing the amount of Social Security tax withheld as soon as possible in 2011 but not later than Jan. 31, 2011.