Regulations/Compliance of a merger/takeover

A company wants to takeover another company in france, I need just about maximum 300 words on the french regulations of the merger/accquistion by today. So need to know the measures the firms should take and the risks in terms of regulation/compliance in France of the two companies I will tell you. Incredibly easy assignment just need to do a little research on the regulations and the companies. No sources etc needed.