There is no limit to the validity period of the house maintenance fund after payment, and it will be deposited into the special account for maintenance fund after payment. Whether it is used or not, it will not expire. If the right is damaged, the service period of the maintenance fund shall be three years from the date of damage, and may be appropriately extended under special circumstances. If the right has been damaged for more than 20 years, it is not protected by law at this time.

Matters needing attention in using maintenance funds are as follows:

1. After the maintenance fund is paid, it will be deposited into the account, which needs to be earmarked. When idle, it can be used to buy treasury bonds or bonds stipulated by law, and it shall not be used for other purposes without authorization.

2. The maintenance fund can only be used for the houses after the warranty period, and for the maintenance of public facilities and equipment. The houses that have not passed the warranty period cannot use the maintenance fund.

3. If the public facilities and equipment of the house are damaged due to man-made reasons, the parties need to bear the maintenance costs themselves and cannot apply for the use of the maintenance fund. Yoshiya real estate encyclopedia, buying a house needs more knowledge.