Assistant Education and Treasury Minister Richard Vibert has resigned from the the top table to support the vote of no confidence in the Chief Minister.
The Constable of St Peter is the third resignation from the Council of Ministers, with Deputies Tom and Rose Binet stepping down to lodge the vote.
The vote remains on a knife edge, with those who have confirmed how they will vote at 20-19 against Deputy Kristina Moore's leadership.
Deputy Moore needs a simple majority of 25 to stay in her role.
🔴 THIS IS A BREAKING NEWS STORY

Haut Du Mont Trial: 'It could explode', jury hears 999 calls
Haut Du Mont Trial: Worker checking gas valves spent almost 'entire' time on his phone
Red Arrows still expected for Jersey Air Show
Haut Du Mont Trial: Gas works were 'sloppy, unsafe, and cut corners', allege prosecutors
26 Victoria Village homes get planning permission
Haut du Mont trial: Explosion 'an incident waiting to happen'
Jersey flights impacted by UK air traffic control issue
Engine fault sees private jet diverted to Guernsey Airport