1. Confirm the capital flow: the unit should know the capital flow of the house payment, that is, whether the funds are directly handed over to the real estate company or transferred through other institutions, so as to properly handle the tax issues.

2. Paying taxes: According to the Notice of State Taxation Administration of The People's Republic of China City, People's Republic of China (PRC) on Strengthening Tax-related Work in Real Estate Industry, the unit should declare and pay the corresponding taxes to the tax authorities after receiving the house payment, including real estate transaction tax, urban maintenance and construction tax, education surcharge tax, etc.

3. Keep relevant vouchers: the unit should keep all vouchers related to house payment transactions, including purchase contracts, invoices, payment vouchers, etc. For inspection by tax authorities. At the same time, the unit should also make timely accounting records and abide by the provisions of tax laws and regulations.