In January 2018 in New York Viva Hammer spoke at the 2018 Taxation of Financial Instruments and transactions conference of the New York State Society of Certified Public Accountants on the 2017 Tax Cuts and Jobs Act TCJA also known as Pub. Law. No. 115-97 on book tax conformity 2018-1-23 NYSSCPA TNT JCT Official Doesn’t Think Book-Tax Conformity Rule Is Unclear