HMRC is set to be handed £855million to hunt down fraud and tax dodgers in a new law change aimed at weeding out wealthy tax avoidance.

Labour has pledged to “strengthen” HMRC’s powers and will use money raised by closing non-dom status and offshore trust loopholes to spend money on a new tax avoidance clampdown to check people’s accounts are accurate and “paying their fair share”.

HMRC will be “modernised” with a law change that will “strengthen HMRC’s powers” says the new government,…