This research aims to investigate income shifting strategy carried out by the company as a reaction to the corporate income tax rate decrease. It is conducted by the Indonesian government from 25 % to 22 % in 2020. Furthermore, this study also investigates the influence of audit quality upon the income shifting strategy. In contrast to existing research, this study used the book-tax difference approach to measure of income shifting. By using a sample of 51 public companies listed on the Indonesia Stock Exchange, the following results obtained: First, in 2019 the company performed income shifting in response to a decrease in corporate tax rates. Secondly, auditor quality gave a negative effect on income shifting.