Legal basis: Article 663 of the Civil Code of People's Republic of China (PRC). In any of the following circumstances, the donor may revoke the gift:
(a) serious infringement of the legitimate rights and interests of the donor or the donor's close relatives;
(two) the donor has the obligation to support and fails to perform;
(3) Failing to perform the obligations stipulated in the gift contract.
The donor's right of revocation shall be exercised within one year from the date when he knows or should know the reason for revocation. Article 675 The borrower shall repay the loan within the agreed time limit. If the term of the loan is not agreed or clearly agreed, and cannot be determined according to the provisions of Article 510 of this Law, the borrower may return it at any time; The lender may urge the borrower to return it within a reasonable period of time.