Legal analysis: the establishment of the owners' committee does not require the signature of the developer. Conditions for the establishment of the owners' committee: 1. The occupancy rate is over 5%; 2. The first batch of properties has been delivered for 2 years, and the occupancy rate exceeds 3%; 3. The first batch of properties has been delivered for 3 years.

legal basis: article 277 of the civil code of the people's Republic of China, owners may set up owners' meetings and elect owners' committees. The specific conditions and procedures for the establishment of the owners' congress and the owners' committee shall be in accordance with the provisions of laws and regulations.

the relevant departments and residents' committees of the local people's government shall give guidance and assistance to the establishment of the owners' meeting and the election of the owners' committee.