Race for Global Tax Revolution Faces Hurdles in Last Stretch (1)

The world’s richest nations have set the stage for a revolution in corporate taxation, but they still have their work cut out to actually achieve that overhaul.

Talks in coming weeks between more than 100 governments before a Group of 20 meeting in July will build on the outlines of a deal earlier this month by Group of Seven finance ministers.

Despite their breakthroughs on a minimum global corporate tax rate and a shift in philosophy allowing one country to apply levies to profits of another’s national champions, multiple technical details remain unresolved.

Agreeing which companies will be covered, ...