Persons practicing nursing in hospitals, private practice, etc., as registered nurses or advanced practice registered nurses. Fees: Application: $500 Examination: none Certificate: included in application fee. Examination Frequency: N/A Exam Locations: N/A Experience Requirement: Active California RN license, master's degree in nursing or a related field, and clinical experience in CNS role. Average Time to Process Application: 6-8 weeks. Renewal Period: Biennially (every second year). Special License Requirements: N/A Comments: N/A Authority: Business and Professions Code, Section 2838, et seq.