Viability of the National Response Framework (NU) and Operations of the National Incident Management System (NIMS)

How would the National Response Framework (NRF) work in conjunction with the National Disaster Recovery Framework (NDRF)? National Response Framework (NRF) "is always in effect, and elements mplemented at any time." What does that mean? Would a concrete, enforceable code of ethics help analysts perform their jobs better?—and to know their limits?