A gift that is conditional on marriage may be revoked. The donation of property for the purpose of marriage is a special donation with effective conditions. The true intention is to enter into a marriage relationship. When the purpose of marriage cannot be achieved, the legal basis for the recipient to possess the property will disappear. According to relevant regulations, if one party has no legal basis to obtain improper benefits and cause losses to others, it shall return the obtained improper benefits to the person suffering losses.
[Legal Basis]
Article 661 of the Civil Code states that gifts may be subject to obligations.
If the gift is subject to obligations, the donee shall perform his obligations in accordance with the contract.