<Tr> <Td> 6th </Td> <Td> Provided that Chief Justice of Supreme Court will be retired at the age of 65 and High Court judges at age 62 . </Td> <Td> </Td> <Td> December 22, 1976 </Td> <Td> Full Text </Td> </Tr> <Tr> <Td> 7th </Td> <Td> Enables the Prime Minister to obtain a vote of confidence of the people of Pakistan . </Td> <Td> </Td> <Td> May 16, 1977 </Td> <Td> Full Text </Td> </Tr> <Tr> <Td> 8th </Td> <Td> Changed Pakistan's government from a Parliamentary system to a Semi-presidential system by giving the President a number of additional powers . </Td> <Td> </Td> <Td> November 11, 1985 </Td> <Td> Full Text </Td> </Tr> <Tr> <Td> 9th </Td> <Td> Bill to impose Shariah law as the supreme law of land . The bill was passed by Senate but could never be passed by National Assembly owing to the latter's dissolution . </Td> <Td> 1985 </Td> <Td> Not passed </Td> <Td> Full Text </Td> </Tr>

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