Newport County have been fined £500, ordered to pay £130 costs and thrown out of the Gwent Senior Cup by the Gwent County Football Association.
It follows their failure to fulfil their semi-final fixture with Macron Welsh League Division Two side Croesyceiliog on Thursday, April 6.
They called the game off at 48 hours notice claiming they could not raise a side because of injuries and clashes with other games, including an important Conference South fixture against Hayes a night earlier.
Croesyceiliog were upset as they had made all the arrangements for the game and claimed the cancellation would hit them financially.
Croesyceiliog will now meet Cwmbran Town in the final, the game provisionally set for May 14.
Gwent County FA secretary Terry Harris said: "Newport County did not ask for a personal hearing and after considering the evidence presented by both clubs we found the case against them breaking the fixture proved."
The County have ten days from last Friday in which to appeal, but spokesman Colin Everett said it was unlikely they would do so.
"We did say in our written response to the Gwent FA that we would respect their decision and accept it with good grace and it's unlikely we'll appeal, though we only had written notice on Friday and as a board we have yet to discuss it.
"We do want to participate fully, as normal, in the competition next year."
Croesyceiliog manager Chris Evans commented: "We would not have wanted to go through to the final like this. We would rather Newport County had honoured the game."
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