National's Scott Simpson introduced the bill.
A proposed new law would allow the Ministry of Social Development to use AI to make decisions about people's benefits.
A change to the Social Security Act is being debated under urgency in Parliament - meaning it avoids the select committee process which includes public consultation and scrutiny.
The Act already allowed for the "targeted" use of "automated decision making", and that would widen if the Bill passed.
It would enable MSD to "approve the use of an automated electronic system by a specified person to make any decision, exercise any power, comply with any obligation, or take any other related action under any specified provision, with appropriate safeguards."
