Final answer:
The service developed by LexisNexis exclusively for tax practitioners is called Lexis Tax Center. It provides tax professionals with access to tax research materials, news, analysis, and practice tools.
Step-by-step explanation:
The service developed by LexisNexis exclusively for tax practitioners is called Lexis Tax Center. Lexis Tax Center is a comprehensive platform that provides tax professionals with access to a wide range of resources, including tax research materials, news, analysis, and practice tools.
The platform is specifically designed to assist tax practitioners in conducting tax research, staying updated on tax laws and regulations, and efficiently managing their tax practice.