The Khalifah appoints assistants for implementation and their work is administrative. They are not rulers and their department is the institution that executes what the Khalifah issues in both of the internal and foreign affairs authorities and submits what comes to him from these authorities. The department is the intermediary between the Khalifah and others, conveying to and from him in the following matters:

a. Relations with the people.

b. International relations.

c. The military.

d. The institutions of the State other than the military.

The executive assistant is the minister whom the Khalifah appoints to be his assistant in the execution of matters, the following up and implementation of his orders. He is the intermediary between the Khalifah and the various State departments, the subjects and the foreign office. He conveys messages to and from the Khalifah. He is an assistant in executing orders and is not authorised over them or entrusted with them i.e. his role is one of execution and administrative and not ruling. His department is a tool used to execute what the Khalifah issues to the internal and foreign offices, ensuring submission to the Khalifah in all that comes to him through these offices. His department acts as an intermediary between the Khalifah and others, where it conveys to them on his behalf and conveys to him from them.

The executive assistant used to be called a secretary (Al- Katib) at the time of the Messenger of Allah (pbuh) and the righteous Khulafaa’. Then he became known as the keeper of the Diwan of letters or correspondence. Later, it was decided that he is called the secretary of composition or the keeper of the Diwan of composition and then the jurists named him the executive assistant (Wazir Al-Tanfidh).

As for the actions regarding the four issues mentioned – the evidence is through examination of the evidences related to the Katib (Wazir Al-Tanfidh) at the time of the Messenger (pbuh) and the actions of the righteous Khulafaa’ in front of the masses of companions: