FAI chief executive John Delaney has told the BBC that the Association will not be voting for Sepp Blatter in this Friday's FIFA presidential election.
Delaney says that Blatter "has to recognise that FIFA has an incredibly bad brand image" - "regardless of the good he claims to have done" during his time in charge.
Friday's election has come down to a straight battle between Blatter and Ali Bin Al Hussein of Jordan and wants the incumbent to step aside.
"If he was doing the right thing by football, which he says he cares and loves, then he should step aside and let somebody else come forward and improve the image of the world game," Delaney told the BBC, citing "good friend" Michel Platini's presidency of UEFA as an example of an organistion with a "good image".
Earlier, the campaign team for the challenger claimed that they had rejected a potentially illegal offer to help oust Blatter, revealing that they were approached by an individual who had offered to share details of Blatter's finances and claiming to be able to help deliver dozens of votes.
The campaign team say that police have been informed but have not revealed which country is investigating the allegation.
Former Portuguese international Luis Figo withdrew his candidacy just last week after describing the governing body under Blatter as a "dictatorship".
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