I don’t know the dates for sure but there a few references to January 1, 2022 in the bill
“
§134-B Restrictions on use, sale, offer for sale, distribution, and transfer of electric guns and cartridges. (a) Beginning January 1, 2022, it shall be unlawful for any person to knowingly or recklessly use an electric gun for any purpose except:
(1) Self-defense;
(2) Defense of another person; or
(3) Protection of property of the person or of another person.”
“ §134-C License to sell, offer to sell, distribute, or otherwise transfer electric guns or cartridges; fee. (a) Beginning January 1, 2022, any person desiring to sell, offer to sell, distribute, or otherwise transfer electric guns or cartridges to a person in the State, either at wholesale or retail, shall annually file an application for a license to do so with the county