Former overseas minister Marise Payne will seem as a witness in an ongoing royal fee into the failed robodebt scheme.
Ms Payne was human service minister on the time this system was launched, alongside then social providers minister Scott Morrison.
The former prime minister may also entrance the inquiry as a witness over his position within the debacle on Wednesday.
On Monday, the fee heard from senior ATO workers who expressed issues in 2017 that information offered by the tax workplace was being incorrectly used to calculate money owed.
ATO director of knowledge administration Tyson Fawcett, who has been with the company for over 30 years, defined averaging annual revenue information to reach at a fortnightly charge didn’t work.
Last week, former Services Australia common supervisor of business integrity, Mark Withnell, rejected a press release the controversial revenue averaging course of, also referred to as “income smoothing”, was basic to proposals for the scheme.
Mr Withnell denied reminiscence of a 2015 assembly at which it has been claimed he was pissed off when advised an revenue averaging debt calculation follow was not lawful.
Another former public servant, ex-Social Services worker Catherine Halbert, denied in her proof manipulating the reality concerning the division’s view on the scheme in 2015, insisting it didn’t endorse revenue smoothing.
Meanwhile, former Human Services secretary Kathryn Campbell advised the fee she knew legislation adjustments have been wanted in 2015 to make use of a median revenue as a substitute of precise revenue for debt calculation, however mentioned Social Services was in control of the matter somewhat than her division.