On July 8, 2015, the US Senate Finance Committee’s International Tax Reform Working Group, which is co-chaired by Senators Rob Portman (R-OH) and Chuck Schumer (D-NY), released its long-awaited report that Committee Chairman Orrin Hatch (R-UT) has said is the precursor to comprehensive tax reform in the United States. This client alert sets out the current tax reform landscape, summarizes the key issues highlighted in the report and discusses what the road ahead for international tax reform may look like.