 All the Party committees of provinces, municipalities, counties and autonomous regions establish respective politics and law commissions.The Commission is headed by a secretary who is usually a Central Politburo member.The Commission was preceded by a Politics and Law Leading Group (政法领导小组; "Zhèngfǎ Lǐngdǎo Xiǎozǔ") which was set up in 1958, with Peng Zhen as its leader.