Whistleblowers who inform HMRC about tax-dodging will get a cut of any money collected as a result, the government confirmed, as Rachel Reeves announced plans to raise an extra £1bn a year by closing the “tax gap”. At her first budget in October, Reeves vowed to collect £6.5bn a year by cracking down on tax avoidance, which is legal, and tax evasion, which isn’t. On Wednesday, during her spring statement, she raised the target to £7.5bn, a projection that won the blessing of the Office for Budget Responsibility (OBR), the independent body that vets the chancellor’s sums. Measures to close