As a proponent of owing federal taxes during filing season as opposed to receiving a refund, I have to be wary to avoid penalties for underpaying taxes along the way. Federal taxes are meant to be a 'pay as you earn' system where you should be "safe harbor" tax law, which are the conditions I need to satisfy in order to NOT owe penalties for underpayment. These can be found in chapter 4 of Publication 505 of the IRS website, which I will describe in more detail in this post.

Published in Taxes