United are 5-0 up against Austrian side LASK Linz ahead of their second leg in the round-of-16 and could still play the second leg at Old Trafford, with the venue yet to be confirmed.
In a statement, Uefa said: "A decision is pending on whether the round of 16 second legs will take place at the home team's stadium or in Germany.
The ties where the first leg was also postponed – namely Inter vs Getafe and Sevilla vs Roma – will be played as a single leg at a venue to be confirmed."Round of 16 fixtures will kick off at either 18:55 CET or 21:00 CET, with all subsequent fixtures beginning at 21:00 CET.
The date for the quarter-final and semi-final draws will be communicated in due course; the exact match schedule will then follow."Get the.