Negotiations between PM and Ch Nisar might begin in two weeks.
Demands all members should be from Punjab; says it wants PPP to share ‘political credit’.
The Tariq Afridi group had claimed responsibility for the death of more than 20 Shias earlier this month.
Party to share list of nine nominees with other opposition groups, develop consensus over three to share with the govt
Until Monday, the PPP leaders had been ruling out the possibility of writing the Swiss letter.
Allies rally behind government in Swiss letter row, pledge to stand united in the face of challenges.
Sources say Zardari is considering letting premier appear in court, while majority of party is against it.
PPP and PML-N need to perform a balancing act in negotiations.
Exchange will apply to all inmates besides those detained on terrorism, espionage charges.
Chaudhry Nisar demands 50% party representation in proposed group.