Materials to be prepared for the second-hand transfer of commercial housing include: ownership certificate, housing transaction ownership registration contract (1, 20 14 till now), Datong stock house sales contract, transferor's (seller's) ID card, marriage certificate (proof of no marriage registration record is required for singles, divorce certificate or divorce agreement is required for divorce), and the effectiveness of housing ownership transfer confirmed by the people's court or arbitration committee. The second-hand transfer of demolition and resettlement houses is slightly different, and the materials to be prepared include: house expropriation compensation agreement, house expropriation certificate, notice of occupancy procedures, receipt of resettlement funds, special bills for residential maintenance fund, transferor's (seller's) ID card and marriage certificate, valid legal documents, transferee's (buyer's) ID card, Datong stock house sales contract and house type plan.