SECTION 1. Section 6 of chapter 25A of the General Laws is hereby amended by inserting after clause (14), inserted by section 31 of chapter 8 of the Acts of 2021, the following 2 clauses:-

(15) develop and incorporate into the specialized stretch energy code developed and promulgated pursuant to clause (14), in consultation with the board of building regulations and standards, requirements for mandatory solar photovoltaic panel installation for all buildings deemed suitable for installation by the department. Develop and incorporate into the stretch energy code requirements for buildings to be made PV Ready for all buildings deemed suitable for future installation by the department; and

(16) The base code shall include all provisions of the stretch energy code related to the latest International Energy Conservation Code, together with any more stringent energy-efficiency provisions promulgated more than 36 months prior.

SECTION 2. Any undertaking by a federal, state, county, municipal or quasi-governmental public agency for the planning, acquisition, design, construction, demolition, installation, repair or maintenance of a structure shall comply with the requirement of the specialized stretch energy code, as developed and promulgated pursuant to clause (14) of section 6 of chapter 25A of the General Laws.