Section 18 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof 92 Musical instruments; parts and accessories of such articles 92 08 Musical boxes, fairground organs, etc; decoy calls and whistles 92 08 90 Decoy calls, whistles, call horns and other mouth-blown sound signalling instruments 92 08 90 10 Decoy calls, whistles, call horns and other mouth-blown sound signalling instruments Commodity Code Description 92 08 90 10 00 Decoy calls, whistles, call horns and other mouth-blown sound signalling instruments