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Ryan Moss is back to lift Margate ahead of their delayed Ryman League Premier Division play-off semi-final against Dulwich Hamlet on Thursday.
The game goes ahead after fifth placed Enfield Town failed in their appeal against a three-point deduction for fielding a player while suspended.
It means Metropolitan Police, who finished sixth, now face Hendon in the other tie.
It was feared 22-goal top scorer Moss would miss the game due to a pre-arranged holiday, but he arrived home earlier this week and will also be available for Sunday's final if Gate get through.
A relieved boss Terry Brown said: "Ryan landed on Tuesday, and he has got a small window, before going away again next week.
"We have been very fortunate because he and two other players, John Beales and Lewis Taylor are all back.
"Our goalkeeper Nikki Bull has also cancelled a holiday to the United States to play. "
The only two players definitely ruled out are injured pair, Zac Attwood (achilles) and Luke Moore (hamstring).
Tickets will be available at the turnstiles, cash only while supporters who pre-purchased them should use the "pre-sold" turnstile.
A club spokesman said: " We would urge supporters to travel together to try and reduce congestion around surrounding roads, and encourage others to use the free Matchday Shuttle Bus."