Contents Introduction ..................................................................................... 1 Foreigners vs citizens: Implications .............................................. 1 The Pakistan Citizenship Act 1951 ................................................... 3 Section 4: Birthright citizenship ................................................... 3 Section 10: Citizenship through marriage .................................... 9 Review of selected provisions of the Foreigners Act 1946 ............ 13 Power of the government .......................................................... 13 Determination of nationality ...................................................... 14 Burden of proof.......................................................................... 15 Use of force ................................................................................ 18 Risk of indefinite detention ........................................................ 19 Conclusion and recommendations ................................................ 23