Thank you for your interest in AONL's Certified Nurse Manager and Leader Examination. Effective February 28, 2022, PSI is no longer processing applications for AONL. To apply for the Certified Nurse Manager and Leader Examination visit www.aha.org/certification. For additional information or assistance with the online application please reach out to AONL at 312-422-3702 or certification@aha.org. Thank you again and best of luck on your exams.