IRS Lock-In Letters

Employers often ask employees to designate thebe withheld. What's an employer to do?
amount of tax withholdings for paychecks.Withholdings
Occasionally, employees will fail to withhold aFour taxes must be withheld from employee
sufficient amount in the eyes of the IRS. The IRSpaychecks
will then send a "lock-in" letter on the amount to