Registering to use the Peace Officer Certification Information System POST Agencies Master level accounts available to state POST directors. These accounts allow the contriution of revocation pointer records, authorization of subordinate POST contributory accounts and establishment of law enforcement agency query accounts within the state jusistiction. Contact the Project Director for assistance at info@iadlest.org Law Enforcement Agencies Query accounts allowing search only access to the database. Contact your state POST Agency for additional information.