Tune up = to adjust an engine or mechanism to operate at peak efficiency  (Oxford Online Dictionary)
 
What are the exact recent tax law changes which impact the preparation of 2021 tax returns?  There are plenty affecting Forms 1040, 1065, 1120S, 1041, 1120, 941 and so on. This course dives into 2021 law changes and tunes you up to make you a well operating machine for tax season. 

We all run a whole lot better when we're tuned up!