Three and a half million taxpayers will get tax refunds averaging £380 from next week, while another 1.6 million will be asked to repay a typical £540 as they've underpaid.
Almost 12,000 taxpayers have been wrongly threatened with a penalty for not submitting a self-assessment return by HM Revenue and Customs (HMRC), despite telling the department they weren't self-employed.
Chancellor George Osborne has partly reversed a planned cut in child benefit, meaning more families will be entitled to help than was originally proposed, though anomalies still exist and confusion still reigns.
Taxpayers have been given longer to avoid a £100 fine for filing their self assessment return late, because of a strike by HM Revenue and Customs (HMRC) staff.