It required to conform to planning for building community groups, connect to the technical infrastructure of residential areas and ensure the requirements relating to hygiene and environment. The housing constructed or renovated in combination with the preservation of architecture of traditional housing and in conformity with custom and condition of each area or region. The households and individuals are only entitled to build housing on their lawful pieces of residential land. With regard to the construction of project-based housing, it must conform to the approved specific planning of the project. With regard to any area which is required the License for, the design documents must conform to the content of the License for construction or the approved design documents.