Rules of origin determine preferential treatment under the India-Sri Lanka FTA; certification, direct consignment, and value content cumulation apply. Determination of origin under the India-Sri Lanka Free Trade Agreement sets conditions for preferential tariff eligibility: goods must meet origin criteria (wholly produced or qualifying non wholly produced goods), be directly consigned, and be supported by a certificate of origin issued by a designated authority; cumulative origin, specified value content and change in classification tests, and exclusions for insufficient processing govern qualification.