An overview of the FCA's enforcement powers and remedies available when an issuer is in breach of its obligations under the Listing Rules, Prospectus Rules, Transparency Rules and the disclosure requirements under Articles 17, 18 and 19 of the Market Abuse Regulation (Regulation 596/2014). This note covers the sanctions for breach, warning notices and financial penalties. The sections of this note which relate to prospectuses refer to the regime in place before 21 July 2019. For information on the post 21 July 2019 regime, see Practice note, New Prospectus Regulation (corporate aspects).