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Reducing building energy use, a linchpin of climate change mitigation, is a daunting challenge across the world. Gaining increasing attention, retro-commissioning (RCx) is a systematic process that can improve building energy performance. Using a techno-legal lens to review statutes and guides on RCx, this study reveals that in China, a national standard on building commissioning has taken effect yet RCx statutes are hitherto not found. The United States has RCx statutes enacted over 14 states; scrutinizing the statutes of five cities unveils similarities and differences in their scope of control and compliance requirements. In the absence of a specific RCx statute, the guide of Hong Kong, China provides detailed guidance for energy saving practices. While these findings can serve as reference for other places planning to formulate laws or guidance on RCx, the need to further study the effectiveness of mandating RCx for reducing building energy use is highlighted. A conceptual analysis of cost variation with statutory control, which could help policymakers consider from an economic perspective whether or to what extent statutory RCx requirements should be imposed, is also illustrated. This not only contributes insights to the pursuit of an optimal balance between statutory control and voluntary action for energy reduction but also adds to the debate on building energy policies. [ABSTRACT FROM AUTHOR]

The Imperially Commissioned Golden Mirror of the Orthodox Lineage of Medicine (Yuzuan yizong jinjian 御纂醫宗金鑑), first printed in 1742, was one of the most important and widely circulating works on medicine in late imperial China. This paper analyzes a group of twenty-three medical manuscripts from the nineteenth and early twentieth century that include parts of the Golden Mirror. The findings suggest that most of the manuscripts should not be considered mere copies, but as deliberate selections. They served didactic as well as epistemic functions that differ from, or go beyond, those that could be fulfilled by the printed Golden Mirror (or a faithful manuscript copy alone). This is indicated not only by different content type selections (verse form for memorization or recitation; prose form for study or consultation) and the combination with medical knowledge from other sources, but also by the ways in which these contents were formatted, usually to facilitate reading and navigation. Adjustment, updating or supplementation of Golden Mirror contents likewise functioned epistemically, integrating previous medical knowledge into the medical discourse of the time. Hence, the findings of the present study help to clarify the lasting importance of manuscripts in the age of print, for which possibilities of adapting knowledge to personal interests and requirements seem to have been decisive factors. [ABSTRACT FROM AUTHOR]