Section 4.100 - What is the scope of this subpart?(a) This subpart identifies postmarketing safety reporting requirements for combination product applicants and constituent part applicants.(b) This subpart does not apply to investigational combination products, combination products that have not received marketing authorization, or to persons other than combination product applicants and constituent part applicants.(c) This subpart supplements and does not supersede other provisions of this chapter, including the provisions in parts 314, 600, 606, 803, and 806 of this chapter, unless a regulation explicitly provides otherwise.