Appeal against decision of Corporation agreeing to pay increased rates for attendant care and home help to the appellants. Rates of social rehabilitation entitlements – s81 – 83 of the Accident Compensation Act 2001. Whether ACC’s decisions to increase exceptional circumstances rate were correct in denying backdated increases to 2017. Held that the 2022 decisions were limited to periods explicitly stated and did not constitute decisions on backdating to 2017. Outcome: the Corporation’s appeal was granted.