Taher Ben Ammar was the co- signatory of the official Memorandum of Understanding for Tunisia's independence with the French Foreign Minister Christian Pineau.

On 20 March 1956 the Franco-Tunisian protocol was signed by the Grand Vizier Tahar Ben Ammar and the French Foreign Minister Christian Pineau.

The new Tunisian government, led by Bourguiba, deemed the country to be independent by virtue of this protocol, and therefore refused to enter into the subsequent bilateral negotiations it provided for.

The process of Tunisian Independence occurred from 1952 to 1956 between France and a separatist movement led by Tahar Ben Ammar became the first Prime Minister.

Bourguiba became the Two Prime Minister of the Kingdom of Tunisia after negotiations with France successfully brought an end to the colonial protectorate leading to independence.