‹ HC-B.1.1 HC-B.1.3 › HC-B.1.2 For Category 3 investment firms, the applicable Guidance Paragraphs are included in Chapter HC-10. The Comply or Explain Principle (see Paragraph HC-A.1.8) applies to the content of Chapter HC-10. January 2011 ‹ HC-B.1.1 HC-B.1.3 ›