Central Superior Services of Pakistan is the civil service

Civil service

The term civil service has two distinct meanings:* A branch of governmental service in which individuals are employed on the basis of professional merit as proven by competitive examinations....

 of the country. It was established in 1973 under Article 240 of the newly framed Constitution

Constitution of Pakistan

The Constitution of the Islamic Republic of Pakistan is the supreme law of Pakistan. Known as the Constitution of 1973, it was drafted by the government of Zulfikar Ali Bhutto and, following additions by the opposition parties, was approved by the legislative assembly on April 10, 1973...

. The CSS Examinations are held in the start of every year to recruit the civil servants for the Civil Services of Pakistan

Pakistan

Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

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The Constitution lays down separate service for federation and Provinces. Federal and Provincial Governments are required to regulate their civil services through Act of parliament in case of federation, and by Act of Provincial Assembly for subjects in Legislative List of provinces.