👉 Deputising is a legal term in many countries that refers to the act of transferring authority, duties, or responsibilities from one person to another. It typically occurs when a member of a political party or an elected official is appointed by their party's leadership as part of a team or group. The term has been used historically to refer specifically to a member of Parliament (MP) who takes on the responsibility of representing or overseeing a specific area, such as health policy or education reform. Deputising