= Documenting incident notification and escalation processes is the most critical step when creating an incident response plan, as this ensures that the appropriate stakeholders are informed and involved in the response process. Identifying vulnerable data assets, what constitutes an incident, and aligning with the risk assessment process are important, but not as critical as documenting the communication and escalation procedures. References = CISM Review Manual 2023, page 1631; CISM Review Questions, Answers & Explanations Manual 2023, page 282