De Jong is Erik ten Hag’s precedence transfer focus on this summer months and United have struck an first €75m (£63.5m) deal with Barcelona, with a more €10m (£8.5m) in insert-ons.
Senior United officials travelled to Catalonia earlier this week to finalise a offer with Barcelona but the go is now held up thanks to contractual difficulties.
De Jong is recognized to be owed all over £17m in deferred wages and is unwilling to leave Camp Nou prior to achieving an settlement on their payment.
Barcelona have instructed De Jong that he has to go away this summer season in order for the club to be able to equilibrium their wage invoice.
Robert Lewandowski is envisioned to go through a medical with Barcelona this weekend ahead of his transfer from Bayern Munich, though Raphinha’s £55m offer to Camp Nou was completed on Friday.
That is inspite of Barcelona amassing money owed of €1.3bn and opportunity troubles registering Lewandowksi, Raphinha and fellow new signings Franck Kessie and Andreas Christensen due to La Liga’s economical good play polices.
Barcelona officials have sought to relieve the fiscal pressure on the club by providing of 10 per cent of their televison rights for the up coming 25 several years.
The sale of De Jong would support further, but the 25-year-old will travel with the rest of Xavi’s squad to the United States for pre-season friendlies towards Inter Miami, Barcelona, Juventus and New York Red Bulls.
Other players that Barcelona are also eager to promote will not journey, which include Martin Braithwaite, Riqui Puig, Samuel Umtiti and Oscar Mingueza.