N.H. Code Admin. R. Env-A 1603.03
On and after February 1, 2019, no person shall sell, offer for sale, supply, distribute for sale or use, except for fuel remaining in storage for a device not requiring a permit pursuant to RSA 125-C:11, any of the following liquid fuels with sulfur content greater than that specified in RSA 125-C:10-d, II, reprinted in Appendix B:
Source. #12694, eff 12-22-18; ss by #13808, eff 11-18-23