All renovation projects of existing Federal buildings must use, to the greatest extent technically feasible and practicable, Federal sustainable design and operations principles for existing buildings in accordance with the Guiding Principles.
Sec. 205. Achieving Net-Zero Emissions Buildings, Campuses, and Installations.
(c) To reduce scope 1 and 2 greenhouse gas emissions, as defined by the Federal Greenhouse Gas Accounting and Reporting Guidance, to achieve net-zero emissions buildings, agencies shall:
...(iii) implement CEQ's Guiding Principles for Sustainable Federal Buildings in building design, construction, and operation of all new Federal buildings and renovated existing buildings;