On November 13, 2017 we reported on the imminent passage of tax reform legislation (see “Argentine Tax Bill: A Step toward Structural Reform” 1). At the end of the year and amidst rioting in the streets over pension reform, congress—acting pursuant to an extraordinary session—pushed through two laws2 (collectively, the “Tax Reform Law”) modifying the most significant federal taxes levied in Argentina. In a nutshell, the reforms advance the Macri Administration’s efforts to encourage investment,…