Manchester United chief executive David Gill has confirmed Tomasz Kuszczak has signed a four-year contract with the Old Trafford club.
The Old Trafford outfit announced Kuszczak's arrival from West Brom but curiously failed to state the terms of the deal.
West Brom suggested the 24-year-old had initially signed on loan, with a view to the deal becoming permanent, although Gill has now clarified the situation.
'Tomasz will be a Manchester United player for the next four years,' he said.
'He has come to us on loan for the first year and then will join us permanently in July 2007.
'We would not have been interested in signing any player, even as one as good as Tomasz, on loan. We would hope Tomasz remains a Manchester United player for many years to come.'
Sir Alex Ferguson has been chasing Kuszczak for most of the summer.
After protracted discussions, United agreed to let Paul McShane and Luke Steele join the Baggies as part of the deal.
In addition, Ben Foster has returned to Watford for a second season in order to gain greater Premiership experience.