Section 44(3) in The Tamil Nadu Agricultural Produce Marketing (Regulation) Rules, 1991
(3)The market committee shall maintain for use of producer and trader a set of samples of standard grades of agricultural produce sold at the market and shall take fresh samples as may be necessary, from time to time. The market committee shall also arrange to keep and exhibit samples of different grades of agricultural produce, with indication of parity of prices based on rates ruling in terminal and other markets for information of producer and trader.
