The developer's complimentary area has the following legal risks:
1、 It should be clearly agreed whether to grant ownership or provide free access.
2、 The donation of shared area may be invalid.
3、 The stolen area cannot be protected based on ownership.
[Legal Basis]
Article 21 of the Measures for the Administration of the Sale of Commercial Houses, where the price is calculated according to the building area, the parties shall agree on the building area within the apartment and the shared common building area in the contract;
It also stipulates the treatment method when the building area is unchanged, but the building area in the housing has errors, and the building area and the building area in the housing have errors.