Which of the following statements is incorrect with respect to the Information Technology (Guidelines for Intermediaries and Digital Media Ethics Code) Rules, 2021?

• A. Social media platforms will also have to name a grievance officer.
• B. It proposes a grievance redressal system for over the top (OTT) and digital portals in India.
• C. Social media companies with more than 90 lakh registered users will be known as ‘significant social media intermediaries’
• D. Significant Social media firms have to appoint a chief compliance officer.