Non-Beijing citizenship home replacement still need to check social security?

Need to check social security. Beijing Municipal Housing and Urban-Rural Development Commission issued a "notice on further optimizing the business environment to simplify the housing transaction process", non-Beijing families to buy homes in Beijing, need to meet the requirements of the qualification of the purchase of housing, which needs to be more than five consecutive years (including) in the city to pay social insurance or personal income tax, non-Beijing families to replace homes, still need to meet the requirements of this requirement, need to check the social security.