UEFA have decided to take no action against CSKA Moscow for apparently having fans inside the closed Khimki Arena during the 2-2 Champions draw with Manchester City.
Some 200 to 300 people supporting CSKA were inside the stadium on Tuesday night despite a UEFA ban ordering the club to play three European games behind closed doors as punishment for racist behaviour from fans.
Vincent Kompany has since accused UEFA of punishing his side's supporters given that City fans were banned from the ground, but UEFA is satisfied the rules were followed.
UEFA president Michel Platini will, however, put forward the 'women and children only' plan for discussion by European football's chiefs after a successful use of the scheme in Turkey in 2011, where Fenerbahce imposed the rule after a series of hooliganism incidents.
UEFA chief of press Pedro Pinto told Press Association Sport: "The president has suggested an idea where instead of having empty stadiums only women and children are allowed into the match.
"This is just an idea at this stage but Mr Platini is open to discussing it inside UEFA to see if it is better overall for fans and for the image of football.
"The women and children would not have to pay for tickets so the club would still incur a financial penalty. This system was used in Turkey to deal with unruly behaviour by fans with great success.''
Of the CSKA match, Pinto said the "supporters" were guests of sponsors, staff or parents of ball boys who are not covered by the stadium ban, adding: "The game was still played behind closed doors -- we have sponsors that get tickets to every game even when sanctions are involved, as do staff and the parents of the ball boys, and that was the situation yesterday.
"As far as the corporate guests are concerned we cannot control what they wear or if they take scarves or flags but there was no inappropriate behaviour or banners.
"Less than three percent of the stadium was used and the club do not get gate receipts and enjoy the product that is the Champions League -- they were still penalised."
Meanwhile, UEFA has charged BATE Borisov with racist behaviour of fans towards Shakhtar Donetsk player Luis Adriano, which saw the referee suspend the game.
The Belarus club has issued an apology for their fans' "shameful" behaviour. It said: "We consider such behaviour to be completely barbaric and idiotic. We hope that it will never be repeated in our stadium."
Information from the Press Association was used in this report.