The Brockman brief: UK diverted profits tax: The extrapolation effect

The UK's diverted profits tax (DPT) was developed, and enacted, quickly in the weeks leading to the general election. The legislation was a two-pronged attack: on transactions having insufficient economic substance and the avoidance of permanent establishment (PE). The legislation went into effect April 1 2015 and there have been hints that other countries are looking at similar moves; but exactly what tax doctrines will other countries adopt to achieve similar objectives?