The commission shall adopt rules necessary to implement section 302, including, but not limited to, rules concerning promotional advertising; promotional allowances, including, but not limited to, the granting of promotional rebates or credits; advertising to promote corporate image or goodwill; contributions to public charities as defined in Title 5, section 194, subsection 1; educational expenditures; or political activities, including major political activities, by a public utility or an affiliated interest as defined in section 707, subsection 1, paragraph A. Rules adopted under this section are routine technical rules as defined in Title 5, chapter 375, subchapter 2‑A.   [PL 2023, c. 286, §2 (AMD).]