The Ernst & Young ITS Washington Dispatch brings you a monthly review of US international tax-related developments. In this edition: US Congress passes coronavirus stimulus and omnibus spending package, including extension of CFC look-through – IRS issues final and proposed PFIC regulations – Treasury to focus on other international projects, tax treaties as TCJA guidance nears completion – Treasury’s FinCEN further extends certain FBAR signature authority reporting over foreign financial accounts – IRS will continue ICAP joint risk assessment initiative – US transfer pricing enforcement remains priority while TCJA provisions may negate adjustments – IRS APMA seeing more queries on transfer pricing consequences of coronavirus pandemic – BEPS 2.0 Pillar One and Two comment period closes; public consultation set for 14-15 January 2021 – OECD issues guidance on transfer pricing implications of COVID-19, hard-to-value intangibles – OECD releases fourth peer review report on BEPS Action 5 on Exchange of Information of Tax Rulings – OECD’s FTA hosts virtual meeting of tax administration leaders.