Big numbers of special votes and enrolments took a toll on vote counters in last year's election.
A report on the count by the Auditor-General has found the final check of the official result was done in a few hours, on the day it was announced.
The rushed assessment failed to identify multiple errors.
It normally takes two days.
Chief Electoral Officer Karl Le Quesne says they're working at ways to better support staff in future.
"We need to look at how we can use technology to identify potential errors - there might be some more staff needed. But we need check more robustly that the checks have been carried out as well."
LISTEN ABOVE
See omnystudio.com/listener for privacy information.
Popular Podcasts
Las Culturistas with Matt Rogers and Bowen Yang
Ding dong! Join your culture consultants, Matt Rogers and Bowen Yang, on an unforgettable journey into the beating heart of CULTURE. Alongside sizzling special guests, they GET INTO the hottest pop-culture moments of the day and the formative cultural experiences that turned them into Culturistas. Produced by the Big Money Players Network and iHeartRadio.
The Joe Rogan Experience
The official podcast of comedian Joe Rogan.
Stuff You Should Know
If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.