As a couple we've had five jobs, how do we make sure employers don't keep deducting the same 2k FICA/Medicare deductions on our state taxes for MA ?
If an employee has more than one job, they may claim exemptions only with their principal employer. Employees must report the above-listed information on a Form M-4 - Employee's Withholding Exemption Certificate and claim the proper number of exemptions. Employees can change the number of their exemptions on Form M-4 by filing a new certificate at any time if the number of exemptions increases. If the number of exemptions decreases, they need to file a new certificate within 10 days.
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