1. HM Treasury, Office of Financial Sanctions Implementation. OFSI General Guidance for Financial Sanctions Under the Sanctions and Anti-Money Laundering Act 2018. (July 2023). Chapter 4: Ownership and Control, Section 4.2, page 17. This document explicitly states: "A person (P) will be considered to own or control a company, in the simplest terms, if P... holds the right, directly or indirectly, to appoint or remove a majority of the board of directors of the company."
2. ACAMS. Certified Global Sanctions Specialist (CGSS) Study Guide, 6th Edition. Chapter 3: The Sanctions Landscape. The guide details the ownership and control tests for major sanctions regimes, including the UK's "more than 50%" rule for ownership and the separate prongs for control, such as the ability to appoint or remove a majority of the board.
3. UK Parliament, House of Commons Library. Briefing Paper Number 8394: UK sanctions policy. (21 March 2024). Section 3.3: Who is subject to sanctions? This paper clarifies the "owned or controlled" provision under the Sanctions and Anti-Money Laundering Act 2018 (SAMLA), confirming the tests for control include the right to appoint or remove a majority of the board of directors.