In December 2025, the National Assembly of Vietnam enacted a new Law on Construction, replacing the 2014 Law on Construction as amended in 2020. The 2025 Law on Construction will, in principle, take effect on July 1, 2026, subject to certain exceptions. Among its notable reforms, one development has attracted particular attention from both legal practitioners and market participants: the introduction of a statutory framework governing predetermined damages, commonly referred to as “liquidated damages.” This marks the first time liquidated damages have been expressly recognized at the level of primary legislation in Vietnam. While liquidated damages clauses have long been a common feature of construction contracts in practice, their legal enforceability has historically been subject to uncertainty. Although the new provision appears to represent a positive step toward greater legal clarity, it remains an open question whether it is sufficient, on its own, to provide a solid legal basis for the enforceability of liquidated damages clauses in construction disputes in Vietnam. What’s New? Article 86.2 of the 2025 Law on Construction provides (emphasis added): “Compensation for damages shall be determined on the basis of actual damages [or] predetermined damages corresponding to obligations under the construction contracts that are breached [and] the extent of such breaches.” This provision is significant in that it expressly recognizes predetermined damages, or liquidated damages, as a lawful basis for determining compensation for damage. However, the new law does not define “predetermined damages.” The absence of a statutory definition creates potential ambiguity as to the scope and nature of this concept and may give rise to disputes over how—and whether—a particular contractual clause qualifies as predetermined damages for the purposes of Article 86.2. Further, Article 86.2 qualifies the application of predetermined damages by requiring that such damages correspond to the obligations not fulfilled and the