Brisbane City Council’s Julian Simmonds has been called a “walking conflict of interest,” as he is set to campaign for a federal seat while remaining as chairman for city planning.

Opposition leader Peter Cumming has called for Simmonds to resign from his chairman role immediately o avoid a conflict of interest following his selection as the LNP’s candidate.

Opposition councillor Jared Cassidy has also queried whether Simmonds would rule out accepting developer donations through the federal division of the Liberal Party.