联合国贸易发展委员会：2025年产品特定原产地规则和原产地证明的事实趋同报告（英文版）

"De facto convergence" in product-specific rules of origin refers to the practical alignment of these rules across different trade agreements, despite variations in their formal wording.This convergence is happening because many agreements now use similar criteria, such as regional value content, technical requirements, and changes in tariff classification.Proof of origin procedures are also simplifying, leading to increased use of free trade agreements, though some complexity remai