Is there a mandatory requirement of 50% party member to set up an owners' committee?

There is no requirement that 50% of the members of the owners' committee are party member. The owners' committee is established under the guidance of the real estate administrative department of the district or county people's government where the property is located, or the subdistrict office or the township people's government, and the owners' committee is elected.

According to Article 10 of the Regulations on Property Management, owners in the same property management area shall, under the guidance of the real estate administrative department of the district or county people's government where the property is located, set up the owners' meeting and elect the owners' committee. However, if there is only one owner, or if the number of owners is small and all owners agree unanimously, it is decided not to set up the owners' meeting, and the owners will jointly perform the duties of the owners' meeting and the owners' committee.

Extended data:

"Property Management Regulations" Article 19 The owners' congress and the owners' committee shall perform their duties according to law, and shall not make decisions or engage in activities unrelated to property management. If the decision made by the owners' congress or the owners' committee violates laws and regulations, the real estate administrative department of the district or county people's government or the neighborhood office or the Township People's government where the property is located shall order it to correct or revoke its decision within a time limit and notify all the owners.

Twentieth owners' congress and owners' committee shall cooperate with public security organs and residents' committees to do a good job in maintaining social order in the property management area. In the property management area, the owners' congress and the owners' committee shall actively cooperate with the relevant residents' committees to perform their autonomous management duties according to law, support the residents' committees to carry out their work, and accept their guidance and supervision. The decisions made by the owners' assembly and the owners' committee of residential quarters shall inform the relevant residents' committees and listen carefully to the suggestions of the residents' committees.

Ganzhou Municipal Government-Regulations on Property Management