Recertification The initial CNL certification is granted for a period of five years. Recertification must be renewed prior to the expiration date on one’s certificate. Certification renewal ensures that previously certified individuals continue to expand their knowledge relevant to the role of the CNL. For recertification, the following is required: Active practice as a CNL - A minimum of 1,500 hours over the five years practicing in a CNL role. Practice may include precepting or teaching other CNLs.  Minimum of 150 contact hours over the five years relevant to the CNL or an advanced generalist nursing role. Documentation of impact or change in the practice setting. OR Re-taking the CNL Certification Examination Certification Expiration: CNL certification is recognized for a period of five (5) years. Effective April 1, 2008, the actual expiration date of a CNL certificate is December 31st of the 5th complete year after certification (i.e. certification of CNLs initially certified in April 2008 expires December 31, 2013). Top | Certification | CNL | AACN Home Copyright © 2008 by the American Association of Colleges of Nursing. All rights reserved.