He has until April 3rd to get 1000 registered voters throughout the state? But best to file earlier to answer challenged signatures. Independents need 800 by June.
http://www.nj.gov/state/elections/candidate-petitions/2017-primary-governor-instructions-0309.pdf
http://www.nj.gov/state/elections/candidate-petitions/2017-general-governor-instructions-0309.pdf
He will most likely run as an Independent.