Companies Act 2006: Primary legislation governing company law in England and Wales, including provisions for share capital, share classes, directors' duties (Sections 171-177), pre-emption rights (Sections 560-577), and share allotment provisions (Sections 549-559)

Financial Services and Markets Act 2000: Establishes the regulatory framework for financial services, including restrictions on financial promotions and prospectus requirements for share offerings

Corporate Governance Code: Provides guidelines and best practices for listed companies regarding share issuance and corporate governance standards

FCA Regulations: Regulatory requirements for listed companies, including Listing Rules, Disclosure and Transparency Rules, and Prospectus Rules

Companies House Requirements: Administrative filing requirements and procedures for registering new share classes and maintaining corporate records

Income Tax Act 2007: Tax legislation relevant to share subscriptions and dividend payments on preferred stock

Corporation Tax Act 2010: Corporate tax implications for companies issuing preferred stock and related transactions

Stamp Duty Regulations: Tax regulations governing stamp duty and stamp duty reserve tax on share transfers and issuances

Money Laundering Regulations 2017: Requirements for due diligence and anti-money laundering checks in financial transactions including share subscriptions

Market Abuse Regulation: EU-derived regulations (retained in UK law) governing market conduct and prevention of market abuse in securities transactions

Articles of Association: Company's constitutional document that must be reviewed and potentially amended to accommodate preferred stock rights and restrictions

Existing Shareholders' Agreements: Pre-existing contracts between shareholders that may affect or need to be modified for the new preferred stock issuance