A year after ChatGPT’s public release, companies are revising their initial rules that address how employees can use generative AI (Gen AI) tools. Many companies have given employees Gen AI dos and don’ts for the workplace and directed them to use only brand-new enterprise versions of Gen AI applications. This article examines employers’ shift in Gen AI policies and practices, including training and risk assessment, and presents several dos and don’ts for employees’ Gen AI use. See “Key Legal and Business Issues in AI-Related Contracts” (Aug. 9, 2023).