Information Technology Law

Step 1: Analyze the relevant sections of the IT Act, 2000. The question refers to the provisions for Certifying Authorities.

Step 2: Interpret the question's intent. While the explicit mandate to "display" a license is detailed in the Information Technology (Certifying Authority) Regulations, 2001, among the given sections of the main Act, Section 30 is the most relevant. It mandates that Certifying Authorities adhere to specific procedures regarding their operations and the integrity of their certificates. The requirement to display a license can be considered part of the prescribed procedures they must follow to maintain transparency and trust.