山西：办税人员如何在电子税务局进行身份切换？操作步骤

Group 1 - The article discusses the functionality of identity switching within a company for individuals holding multiple roles such as tax officer and invoicing officer, allowing seamless transitions without the need for re-login [3] - It also covers the ability for individuals working in multiple companies to switch between different enterprises using the account center, again without requiring a new login [4]