Please choose:
Sign off. Above-average flagging, genuine efficiency gains, continuous improvement built in. The business case is sound.
Sign off with a formal note requiring the flagging accuracy to be reviewed at six months before further deployment.
Delay sign-off and ask the development team to present a revised edge-case protocol at the board meeting before any approval.
Put page 247 on every seat at the board meeting. Say: we are being asked whether this system is ready to deploy. My question is whether it is ready to deploy to everyone — and right now, my answer is no.