Employees can once again update their Federal Tax information (W-4) in Parnassus. To update your federal tax withholdings, log into Parnassus, click on "IC Employee Self Service" and then on "Tax Forms." Feel free to contact the Payroll Office at (607) 274-3874, (607) 274-3133, or payroll@ithaca.edu with any questions.
https://www.ithaca.edu/intercom/article.php/20151111084137449