Competent authorities shall periodically collect, analyze, and announce the following housing information to guide the development of a robust housing market:
1. Housing supply, demand, land, and transaction price in the house rental and sale/purchase market.
2. Housing demand of economically or socially disadvantaged persons, and results of housing subsidy policy.
3. Living quality and conditions, housing environment risks, and living satisfaction.
4. Other necessary housing information.
Government agencies at each level and unions and organizations of related industries shall provide statistics on financing, housing investment, production, trade and usage for the abovementioned data collection.
The collection, application and announcement of data shall be in accordance with regulations of related laws.
Regulations on housing information collection, management and incentives shall be prescribed by the central competent authority.

In order to stabilize the housing market, competent authorities may adopt necessary market regulation measures in districts with severe imbalance of housing supply and demand according to the analysis of market supply/demand information in the preceding article.

Competent authorities shall establish social housing information and announce the information on the internet.

Competent authorities shall encourage legal persons or individuals to provide market information on rental or purchase of suitable housing to economically or socially disadvantaged persons who do not own a house or are living in housing conditions urgently requiring improvement.

A housing construction company shall provide the required information specified in Paragraph 2 of Article 47 to the municipal, county (city) competent authority upon acquiring a building license and declaring that it will begin construction within 30 days.

Competent authorities shall formulate rental housing development policies to drive the development of a robust rental housing market, and formulate short-, mid- and long-term plans for rental systems and professional services provided to the economically or socially disadvantaged specified in Article 4. The competent authorities shall provide rental housing market information, matchmaking services, professional management assistance, and dispute consultation services.
The abovementioned services may be offered by house rental service providers. Regulations on the determination and incentives shall be prescribed by the central competent authority.