Companies Act 2006: Primary legislation governing company operations, including share capital, transfer provisions, directors' duties, corporate authority, and registration requirements

Financial Services and Markets Act 2000: Regulatory framework for financial instruments and regulated activities, relevant if units/shares fall under financial instruments category

Common Law Contract Principles: Fundamental principles including offer, acceptance, consideration, intention to create legal relations, and capacity to contract

Law of Property (Miscellaneous Provisions) Act 1989: Legislation specifying requirements for contracts to be in writing and formally executed

Stamp Duty Legislation: Tax regulations concerning Stamp Duty and Stamp Duty Reserve Tax applicable to share transfers

Capital Gains Tax Provisions: Tax legislation governing capital gains on disposal of shares or units

Corporation Tax Act 2010: Tax framework affecting corporate transactions and business transfers

Money Laundering Regulations 2017: Anti-money laundering requirements for business and share transactions

UK Takeover Code: Regulations governing corporate acquisitions and takeovers, if applicable to the transaction size

Competition Act 1998: Legislative framework ensuring fair competition, relevant for larger transactions

Data Protection Act 2018/UK GDPR: Requirements for handling personal data during due diligence and transaction processes

Corporate Constitutional Documents: Internal company documents including Articles of Association and Shareholders' Agreements that may affect unit transfers