Sorry I was wrong I meant to right this - the £10k thing is if your salary goes up
The income limit for Child Tax Credit is going down from £50,000 to £40,000 from 6 April 2011. This change means if your income will be over the new limit, your basic Child Tax Credit payment of £545 will be reduced.
The rate at which tax credits are reduced
The rate at which tax credits are reduced (known as 'withdrawal rates') as your income goes up will increase to a flat rate of 41 per cent from 6 April 2011.
This change means your tax credits payments may go down.