"The key verification measures require teams to inspect and ensure that the missiles that each side deploys don't carry more than the warheads that they are supposed to be carrying.
VOA: standard.2009.04.08
Start made dramatic reductions in nuclear forces of some 80% but the key point at this moment is that it contains binding agreements on verification and when the treaty runs out so do those commitments.
But as long ago as December 1993 in the Dail, and then again in June 1994, the Irish foreign minister, Dick Spring, stated unequivocally that the key to Sinn Fein joining political discussions was a permanent cessation of violence, and that there would have to be verification of the handing over of arms.