It sounds like a good idea to raise an early warning so all parties can start thinking about the consequences and what to do. Larger contractors and clients can probably reach back into their HO for guidance.
If it was to happen, then it would almost certainly be a compensation event under 60.1(19) especially under NEC4 where the Contractor maintains its terminal float, where as under NEC3 the normal legal interpretation was it had to use it up before the compensation event cut-in.
If it was to happen, then it would almost certainly be a compensation event under 60.1(19) especially under NEC4 where the Contractor maintains its terminal float, where as under NEC3 the normal legal interpretation was it had to use it up before the compensation event cut-in.