Section 7
SEC. 7. All persons engaged in the retail sale of commodities the prices of which have been placed under control shall post in a conspicuous place in their establishment, store or stall a list of all commodities displayed and offered for sale with their corresponding prices with the corresponding quantities purchased by them and the corresponding dates of their purchase, and in addition, shall attach to said merchandise price tags in such manner as to be within the plain view of the public.