Sustitution - is it realistic?

[WordIsBond]

Because you can't properly provide a sub for 1 day. The sub should be brought up to speed in the contractors own time and access to client systems needs sorting and it's just not feasible from a business perspective so will be just playing the game.

I did it. I contacted a guy who had been a perm with the client and retired a couple months previously. Ok, it was 3 days. Doesn't matter, it could have been one day. I paid him. By the CEST definition that's substitution.

Agree that it isn't often practical but it can be done and it kept the project rolling while I had to do something else for a few days.