The ruling follows a three-day Election Court hearing at the Court of Session buildings in Edinburgh in November after four of Mr Carmichael’s constituents launched a bid to oust him from his Orkney and Shetland seat.
The constituents, known as the petitioners in the case, claim that Mr Carmichael misled voters with his actions surrounding the leak of a confidential memo which wrongly claimed First Minister
Nicola Sturgeon said she wanted David Cameron to remain in Downing Street at May’s general election.
They claim his actions call into question his integrity as an individual and his suitability to represent the constituency at Westminster.
In a Channel 4 interview, Mr Carmichael initially denied having prior knowledge of the memo leak, which emerged around a month before voters went to the polls.
Following a Cabinet Office inquiry, he admitted he had allowed his special adviser Euan Roddin to release details of the document, which appeared in the Daily Telegraph on April 3.
The legal challenge – funded via a crowdfunding appeal – was brought under Section 106 of the Representation of the People Act 1983.
The case is thought to be the first election petition brought in Scotland since 1965. The result is due for release later.
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