The American Taxpayer Relief Act of 2012 (ATRA) was enacted in early 2013. Don’t you like the way new tax law is titled, Taxpayer Relief Act? At least they try to make you feel good.

Many of the provisions in ATRA were retroactive to 2012, yet many take effect in 2013. Following are some of the tax law changes with the passing of ATRA.

The Alternative Minimum Tax (AMT) exemption was raised to $78,750 for joint filers and $50,600 for single filers....