April 28th, 2022
You can advise your recruiter of availability, but they will not start submissions until about 2 weeks prior to start dates.
June 12th, 2022
It depends on your availability and how badly the hiring facility wants you. I've signed a contract 2 months in advance before.
June 10th, 2022
My experience has been that I can sign it several weeks(2-3) in advance.