Trade union the TUC has attacked the "complicated and confusing" letters sent to households which it said could lead to some people still entitled to child benefits opting out with "disastrous" consequences.
General secretary Frances O'Grady called on the Government to restore universal child benefit, as the deadline to register with HM Revenue and Customs ends tomorrow.
Quite apart from the fact that the decision to withdraw the benefit is unfairly hitting single parents, many families where one parent earns more than £50,000 are - even at this late stage - still unaware that unless they've visited the HMRC website by the end of tomorrow they may be fined.
To make matters worse, HMRC isn't only sending letters to those parents affected by the change.
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Portman was due to receive the award in Israel in June and said that her reasons for skipping the ceremony were solely due to Mr Netanyahu.
Analysis of Department for Work and Pensions data found the average man receives £153.86 a week and the average woman receives £125.98.
The country says it is making the move to shift its national focus and improve its economy.