Canine Good Citizen... it's a test any breed, or mix of breeds, of dog can take to prove that he's well-behaved in public and reliably knows all basic commands (sit, stay, down, etc).
AKC's Canine Good Citizen® (CGC) Program Sponsored by K9 Advantix®
AKC's Canine Good Citizen® (CGC) Program Sponsored by K9 Advantix® - Training/Testing