10. Marking of prices and exhibiting list of prices and stocks.-(1) The Chief Commissioner may direct dealers or producers in general, or any dealer or producer in particular to mark any drug exposed or intended for sale with the sale prices or to exhibit on the premises a price list of drugs held for sale and the quantities of such drugs in his possession, and may further give directions as to the manner in which any such direction as aforesaid is to be carried out.
(2) No dealer shall destroy, efface or alter or cause to be destroyed, effaced or altered any label or mark affixed to a drug and indicating the price marked by a producer.
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