‹ CA-6.4.52 CA-6.4.53 › (iv) Ratings-Based Approach (RBA) CA-6.4.53 CA-6.4.54 CA-6.4.55 CA-6.4.56 CA-6.4.57 CA-6.4.58 CA-6.4.59 Use of Inferred Ratings CA-6.4.60 Operational Requirements for Inferred Ratings ‹ CA-6.4.52 CA-6.4.53 ›