Think tank calls for tax relief reform
Reliefs expected to cost £425bn in 2018/19.
Reliefs expected to cost £425bn in 2018/19.
Late-filing taxpayers could be left unaware of additional fines.
Scheme benefitted 109,000 children in December 2018.
1% charge would apply to non-UK residents.
HMRC figures reveal 980,000 affected.