HMRC are allowing a time extension to April 2022, for around 13,000 claimants of either tax credits, Child Benefit or Guardians Allowance, who need to switch their accounts.
Recipients of Child Benefit and Guardians Allowance- change their bank account details via GOV.UK or by contacting the Child Benefit helpline on 0300 200 3100. Tax Credit recipients can change their bank account details by contacting the tax credits helpline on 0345 300 3900.