Celtic must wait until Friday to find out what action they will face over banners displayed by fans during their Champions League clash with AC Milan.
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Uefa's control and disciplinary body met on Wednesday to discuss an "illicit banner" featuring images of Bobby Sands and William Wallace.
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Rules prohibit political and ideological messages being displayed.
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Celtic chief executive Peter Lawwell asked supporters to cease such displays after the action was announced.
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"The disciplinary decision is due to be announced and communicated by Uefa on Friday afternoon," said a spokesman for the European governing body.
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"We will inform of the decision as soon as we receive it from our disciplinary unit."
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Manager Neil Lennon admitted his "heart sank" when he saw the display at the 3-0 home defeat by AC Milan on 26 November, arguing it was neither the time nor place for such a demonstration.
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The banner featured a slogan alongside images depicting the IRA hunger striker Bobby Sands and the Scottish historical figure William Wallace.
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The supporters' group responsible for the banner, the Green Brigade, insisted the banners were football-related as they protested against the Scottish Government's Offensive Behaviour at Football Act and Police Scotland's implementation of the legislation, which they claim has criminalised expressions of Irish politics.