The South Australian Electoral Commission has been fielding "a lot of calls" from confused voters who mistakenly tried to register for a postal vote via political party websites.
SA Electoral Commissioner Mick Sherry told ABC Radio Adelaide that his office had received calls from voters who were yet to get their postal votes.
"They have accessed some political parties' websites and are of the view that it's an actual Electoral Commission website," he said.
"They're of the view that they've applied for a postal vote, when in fact, that is simply not the case.
Voters had until Thursday to apply for a postal vote.
According to figures released by the Electoral Commission, the call centre received 3,100 calls on Thursday. Of those, 935 were related to voters not getting their postal vote.
Of those, 13 per cent of callers had not applied for a postal vote from the commission.
In a statement, the Electoral Commission said postal voting was an "important and integral part of elections".
"We are receiving a number of enquiries from people who believe that by entering their details into a political party website, they had applied to [the Electoral Commission] for a postal vote," the statement continued.
"Voters are advised that if they think they have applied for a postal vote through a website, these websites have no affiliation to ECSA [the Electoral Commission].
Website to register postal votes crashes
COVID-affected voters have also been struggling to register for their postal vote after reports the Electoral Commission website had crashed.
Prospect Mayor David O'Loughlin said he had tested positive to COVID-19 and had been unable to register for his postal vote.
"This is a pretty tight election ... and it won't take much to swing the election so I have been trying to enrol on the ECSA site. I have tried 10 times," he said.
"It just spits me out. It will not accept my registration, even though I've put in my details.
"It's the only way I can now vote because I can't leave the house to go to a booth."
The commission said anyone who had not properly registered to receive a postal vote would need to attend an early voting centre or head to a booth on Saturday.
