Multinationals risk heftier tax hit in biggest overhaul for decades

PARIS (Reuters) - Governments will get more power to tax big multinationals like Google, Apple and Facebook doing business in their countries under a proposed overhaul of decades-old rules.Big internet firms have pushed tax rules to the limit as they can book profit and park assets like trademarks and patents in low tax countries like Ireland wherever their customers are.The drive for a global rule book has received new urgency as countries unilaterally adopt plans for a tax on digital companies..