N.H. Code Admin. R. Env-A 1603.02
On and after July 1, 2018, no person shall import into the state any of the following liquid fuels with a sulfur content greater than that specified in RSA 125-C:10-d, I, reprinted in Appendix B:
Source. #12694, eff 12-22-18; ss by #13808, eff 11-18-23; ss by #13808, eff 11-18-23