Six points have been deducted for breaking the EFL's profit and sustainable rules, and Reading are one place and two points above the bottom of the Championship.
The Championship matches between Reading, Millwall, and Preston have been postponed because of cases of coronaviruses.
A number of their players have tested positive and they are unable to play.
Three of this weekend's Championship games have been called off because of Covid-19 cases, with Queens Park Rangers' game withSwansea City also called off.
There is no new date for the games.
The match against the Hatters was supposed to be a celebration of the club's 150th anniversary.
The celebrations will be held on Saturday, 12 February, when Reading plays Coventry City.
The club apologized "unreservedly" for the "inconvenience and disappointment" that this causes to both home and away supporters.
The health, safety and welfare of our players, coaching team and club staff remains of paramount importance and our primary concern now is to ensure the swift and full recovery of those affected.
Manchester United were forced to delay their trip to Brentford on Tuesday due to an outbreak at their training ground, while the Hornets' trip to Burnley was called off less than three hours before it was due to start because of a number of positive cases in the squad.
It was not possible for Spurs to play their game with Rennes last Thursday or their game with Seagulls last Sunday.
The Omicron variant of the coronaviruses is becoming more prevalent in the UK.
