The Labor Party says it has new legal advice that suggests another federal MP is ineligible to sit in parliament because of their financial interests in a company.
Liberal MP Chris Crewther's superannuation fund owns shares in Gretals Australia, which is working on a project with the University of Melbourne.
The university applied for and received a federally funded research grant through the Australian Research Council.
Under section 44 of the constitution, MPs are banned if they receive profit from federal funding sources.
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