Advisory council, §50-5-69. Auctions conducted by state agencies. Promulgation of rules and regulations, §50-5-67. 958 INDEX PURCHASING —Cont’d Authorities. Preferences. Supplies, equipment, materials and agricultural products produced in Georgia, §50-5-61. Beef. Purchase of other than United States produced beef, §50-5-81. Belarus. Scrutinized companies prohibited from contracting with state agencies for goods or services, §50-5-84.1. Bids and bidding. Central bid registry, §50-5-69. Competitive bidding procedure, §50-5-67. Local political subdivision purchases, §50-5-102. Exceptions to competitive bidding requirement, §50-5-69. Procurement cards, §50-5-69. Local political subdivision purchases, §50-5-102. Prequalification of prospective suppliers, §50-5-68. Bond. Required of successful bidder or offeror, §50-5-67. China. Scrutinized companies prohibited from contracting with state agencies for goods or services, §50-5-84.2. Commercial fidelity bonds. County boards and departments, §50-5-51.1. Community based rehabilitation programs. Existing contracts with. Grandfather clause, §50-5-138. Participation of certified programs, §50-5-137. Competitive sealed proposals.