The New Jersey Department of Agriculture is the State agency responsible for regulating hemp. Contact the NJDA to find out about the permitting process and other regulatory topics for hemp.
New Jersey Hemp Farming Act Summary and Rules:
https://www.nj.gov/agriculture/divisions/pi/pdf/NJHempProgramSummaryandRules.pdf
The contact at NJDA for hemp permits:
Joseph Zoltowski
joseph.zoltowski@ag.nj.gov
609-406-6941
NJDA Hemp License Applications
https://www.nj.gov/agriculture/divisions/pi/prog/nj_hemp.html