David Cameron is being urged to take tougher action against UK-linked tax havens, with Oxfam suggesting Britain's credibility "is on the line" over the issue.
The Association of Christian Financial Advisers (ACFA) says extending marriage "beyond its traditional boundaries" could create confusion for pension trustees and advisers.
A failure by HM Revenue & Customs (HMRC) to reduce errors and fraud in the tax credit system has "cost the taxpayer dear", a group of MPs said, after the tax authority admitted it would miss its target by £5bn.
Celebrities, bankers and football stars have been caught up in an alleged £125m tax fraud after putting their money into failed film investment plans.
Bereaved families are being hit with inheritance tax bills totalling up to £177m due to the way life insurance policies are being paid out, according to HM Revenue & Customs statistics.
The government has launched a consultation on allowing the transfer of existing savings from Child Trust Fund (CTF) accounts into Junior ISAs (JISAs).
Pension provider Scottish Widows has been told it cannot reclaim almost £100,000 it mistakenly paid to a divorcee three years ago.
A joint investigation by the UK, the US and Australia to identify those using offshore tax havens to hide wealth has uncovered more than 100 people.
HM Revenue & Customs (HMRC) has begun a probe into more than 200 advisers, lawyers and accountants suspected of using offshore trusts to illegally evade UK tax.