Find out here whether you need to fill out a W4 form to ensure enough is being withheld from your paycheck
You are probably familiar with money being withheld from your paycheck. However, if you've had changes in your tax situation, such as getting married or having a baby, this amount may be incorrect. When the amount is incorrect it will either result in a large refund or a large tax bill (depending on whether you are under or over withholding).
To find out the correct amount fill out the information required at:
If you'd like to alter the amount being withheld on your paycheck then you should submit a W-4 form.
If you are still confused, here is a lady explaining:
Hope that helps you out!
Let us know if you have any further questions.