Section 10
SEC. 10. All persons engaged in the retail sale of the articles, goods, and commodities mentioned in section one hereof and of merchandise the price of which has been placed under control shall post in a conspicuous place in their establishment, store or stall a list of all such articles, goods and commodities displayed and offered for sale with their corresponding prices, and, in addition, shall attach to said merchandise a price tag in such manner as to be within the plain view of the public. All displayed merchandise shall be deemed offered for sale. No person engaged in the retail trade shall refuse to sell any such displayed merchandise.