Parents with children born in these years have less than two weeks left to contact HMRC or risk missing out on benefits.

This week, GCSE results day will see millions of 15 and 16 year olds pick up their exam grades – now in numbers, not letters – and decide whether they want to continue in further education like college or sixth form, start an apprenticeship or get a job.

But parents of children born in 2008, 2007 or 2006 as well as 2005, ie with children aged between 16 and 19, must contact