Accra, Sept. 4, Ghana Cocoboard has announced that purchases of the 1997 Light Crop Season will cease at the close of business today, September 4, 1997. A statement issued in Accra said in order to assist the Produce Buying Agency Limited and other Licensed Buying Companies obtain the final returns from their up-country stations, Cocobod has decided that returns on purchases will be accepted up to 1600 hours on Thursday, September 18, 1997.