If you want to avoid paying the back taxes, or loss of job progress in the e-mail about copywrite infringement you can
Click to reveal..
exit the game before hitting "OKEY" on the e-mail. When you restart the game it will be like the e-mail never happened.
I don't normally cheat but I was so-o-o-o frustrated, my peep was almost at his next level and I had been saving for my third upgrade and I had four copywrite notices and six back taxes notices at a cost of over 7,000.00