Lease or construction authorized, §50-5-75. PURCHASING —Cont’d Legislative declarations, §50-5-50. Life cycle costs. Defined, §50-9-100. Purchase of materials and fixtures to be based upon, §50-9-101. Local political subdivision purchases. Beef. Purchase of other than United States produced beef. Unlawful, §50-5-81. Bids and bidding. Procedure, §50-5-102. Department of administrative services. Authority to permit purchases through state, §50-5-100. Bids and bidding. Duties of department as to, §50-5-102. Notice to department, §50-5-101.