Ms Lambie has criticised a lack of clarity from the major political parties over how data is collected when residents fill out postal vote forms sent to them by their local members.

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As the federal election nears, it is common practice for political parties to send out pamphlets and forms to allow residents to submit their vote by mail rather than attending in person. However, data from those forms can be kept by the parties, helping inform their approach for the campaign.

Ms Lambie's criticism comes as the Australian Electoral Commission urges voters to only submit postal votes through direct AEC channels after having been flooded with complaints.

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"Every party does it," Ms Lambie said. This includes the Jacqui Lambie Network.

"The thing that bothers me is that none of these politicians are upfront about what they're doing."

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Ms Lambie said forms from her office would clearly outline that they would be using the data of respondents to target her campaign.

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Electoral Commissioner Tom Rogers said the practice from parties was "legal, but it is potentially misleading".

"We're concerned," he said.

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