Which amendment in the constitution of Pakistan determine the province sovereignty

Which amendment in the constitution of Pakistan determine the province sovereignty

پاکستان کے آئین میں کون سی ترمیم صوبے کی خودمختاری کا تعین کرتی ہے۔
Explanation

National Assembly pass the 18th amendment in the constitution of Pakistan on 8 April 2010

Senate on 15 April 2010

President on 19 April 2010