The current IRS commissioner is Charles P. Rettig of California. There have been 48 previous commissioners of Internal Revenue and 28 acting commissioners since the agency's creation in 1862. Headquarters: Internal Revenue Service Building; 1111 Constitution Ave., NW; Was... Agency executive: Commissioner, Charles P. Rettig Parent agency: Department of the Treasury
The IRS is a bureau of the Department of the Treasury and one of the world's most efficient tax administrators. In fiscal year 2020, the IRS collected almost $3.5 trillion in revenue and processed more than 240 million tax returns
