Donegal manager Jim McGuinness has been handed a proposed eight-week ban for fielding an ineligible player in the McKenna Cup win over Armagh.
Finbarr Roarty, 17 at the time of last Wednesday's game with the Orchard County, was deemed to be underage for the game following a meeting of Ulster GAA officials on Sunday evening.
Naomh Conaill player Roarty is understood to have turned 18 on Thursday but the rules state that all senior inter-county players must be that age by the start of the calendar year.
The Tír Chonaill men will also lose the points from the victory, although they will not be transferred to Armagh.
In a short statement after a meeting of the management committee, Donegal GAA said it would take time to consider its next move.
"CLG Dhún na nGall wish to confirm that we have received correspondence from Ulster GAA regarding our Dr McKenna Cup game of January 3rd," the statement read. "The correspondence will be considered by CLG Dhún na nGall in the coming days.
"No further comment will be made until this matter has been concluded."
McGuinness hinted to the BBC on Sunday that he would appeal any ban but if it stands he would miss the rest of the McKenna Cup campaign as well as Allianz Football League Division 2 games against Cork, Cavan, Fermanagh, Armagh and Louth.
Roarty has been hit with a two-week ban though he remains unable to play senior inter-county football until 2025.
Donegal won the tie 3-16 to 1-06 against an Armagh side made up almost exclusively of under-20 players.