The 99% was used as an assurance that.... This is a system that manages the pay of public servants. It's a basic need for an employer to be able to pay their people. The risk with this one has to be very low, and that was understood. At the time, the managers of this program felt that they had workarounds for some of the risks, and they had management strategies for the risks. That's what was presented to every department.
On November 28th, 2017. See this statement in context.