> I know everything is through Bamboo/whatever software nowadays so I wasn't sure if they really had any control/input on these things. You have control, they

> I know everything is through Bamboo/whatever software nowadays so I wasn't sure if they really had any control/input on these things. You have control, they don't. Withholdings are calculated based on elections you make on an IRS form called a W4 (which could be electronic or paper). Neither your employer nor the IRS "control" that, but there are some common case defaults. It's on each taxpayer to understand their actual tax liability situation and adjust withholdings accordingly.