[
  {
    "basisPoints": 2200,
    "validFrom": "2007-04-06",
    "validTo": "2008-04-05",
    "note": "2007-08 basic rate 22%, Finance Act 2007 s1"
  },
  {
    "basisPoints": 2000,
    "validFrom": "2008-04-06",
    "validTo": null,
    "note": "basic rate 20% from 2008-09 (Finance Act 2008 s1), unchanged to 2026-27 (gov.uk Income Tax rates and Personal Allowances)"
  }
]