RN in the contract period at the RN's discretion. Registered Nurses contract.Contract between the University of California and the California Nurses Association. Bargaining Unit 17 will meet with CalHR in mid-September regarding the recruitment and retention issues in the Health Facility Evaluator (HFEN) classification. A. Covered Classifications. Representatives from Human Resources and the Union shall: a. Identify the affected nurses. b. Shall be exclusively in the County of Los Angeles. A process for negotiating wages, hours, and other terms and conditions of employment. Shall be exclusively in the County of Los Angeles.