However, the provisions of Article L. 464-6-1 do not apply to agreements and practices that contain any of the following hardcore restrictions of competition:
a) Restrictions which, directly or indirectly, in isolation or in combination with other factors which the parties can influence, have as their object the fixing of selling prices, the limitation of production or sales, the allocation of markets or customers;
b) Restrictions on unsolicited sales made by a distributor outside its contract territory to end users;
c) Restrictions on sales by members of a selective distribution system who operate as retailers on the market, irrespective of the possibility of prohibiting a member of the distribution system from operating from an unauthorised place of establishment;
d) Restrictions on cross-supplies between distributors within a selective distribution system, including between distributors operating at different levels of trade.