Matched in attachment: 
        "... If you do so, your paycheck 
will be larger, but the amount of any refund 
that you receive when you ... If you 
do so, your refund at the end of the year 
will be smaller, but your paycheck will be 
larger ... You’re not required to complete this 
worksheet or reduce your withholding if 
you don’t wish to do so ... Instructions for Employer
Employees, do not complete box 8, 9, or 
10. ... Instructions for Employer
Employees, do not complete box 8, 9, or 10. ..."