44.Section 20 sets out the grounds upon which the appointment of a sheriff principal, a sheriff, a summary sheriff, a part-time sheriff, or a part-time summary sheriff may come to an end. Subsection (1) allows for resignation at any time by giving notice to that effect to the Scottish Ministers. Subsection (2) provides that the appointment of that officer will end on giving such notice or resignation, upon retirement (under the Judicial Pensions and Retirement Act 1993), upon removal from office in accordance with section 25 or upon appointment as another judicial officer specified in subsection (3).