What are “restrictions on resale prices?” What are the corresponding regulations and penalties in the Fair Trade Act?

What negative effects do “restrictions on resale prices” imposed by suppliers have on market competition?

What is the meaning of the “justifiable reasons” stated in the proviso set forth in Paragraph 1 of Article 19 of the Fair Trade Act? Who is responsible for providing the evidence?

Are businesses in violation of the Fair Trade Act when they include stipulations on suggested prices in distribution contracts, print prices on products or attach price tags to products?

Manufacturers sometimes provide suggested prices for products sold to wholesalers and retailers. If a wholesaler or retailer sells such a product at a price significantly lower than the suggested rate and consequently affects the market price of the product, is it in violation of the Fair Trade Act when the manufacturer discontinues supply to such a wholesaler or retailer?