Which option describes a firm's obligations according to the CISI Code?

The choice that describes a firm's obligations according to the CISI Code emphasizes the importance of acting with integrity and adhering to regulations. This principle is central to the conduct expected from firms and professionals in the financial sector.

By prioritizing integrity, firms demonstrate a commitment to ethical practices, which builds trust with clients, stakeholders, and the wider market. Respecting regulations ensures that the firm operates within the legal framework and supports fair market practices, which ultimately contributes to the stability and integrity of the financial sector as a whole. This alignment with ethical standards and legal requirements is crucial for sustaining long-term success and reputational credibility in the industry.

Overall, this answer reflects the essence of the CISI Code, which aims to cultivate professionalism and accountability among its members and associated firms.