although birth to an Italian father would ordinarily confer citizenship by descent, Albanese had no father recorded on his birth certificate and thus meets the parliamentary eligibility requirements of section 44 of the Constitution.

That’s an interesting little bit of information. He could have been caught up in the whole citizenship dramas of 2017 had he not been exempted by this. Though he had likely already known about his exemption since he knew his father was Italian and would have investigated whether he needed to renounce Italian citizenship.