US Congress fails to enact year-end tax legislation – JCT issues ‘Blue Book’ on 2017 Tax Cuts and Jobs Act – IRS issues proposed regulations on Section 59A BEAT – IRS issues proposed regulations on foreign persons’ taxable gain on sale of partnership interestes engaged in US business -- IRS issues proposed hybrid dividends / entities regulations – IRS announces future foreign corporate PTEP regulations – IRS issues proposed FATCA regulations – Treasury grants another FBAR extension – Puerto Rico enacts tax reform -- OECD publishes tax report to G20 leaders – OECD releases second annual peer report on BEPS Action 5