A deal between entertainment industry bodies and major UK Internet service providers to target downloading is "imminent", according to the BBC.
BT, Sky, Talk Talk and Virgin Media will send letters to alleged "pirates", in a version of plans set out in the controversial and unpopular Digital Economy Act.
The Digital Economy Act was passed at the very end of the Labour government in 2010, but has since stalled.
Copyright enforcement groups have agreed to pay towards the system, but ISPs will still have to foot the remainder of the bill.