Tanva served in various advisory capacities with public organisations and the Thai government on matters involving trade facilitation, economics development and legal policies. His was a member on the Committee on Foreign Economic Policy Reform before Thailand’s National Reform Council, a member of the Committee on Import and Export Promotion and Trade Facilitation before the Federation of Thai Industries, and a member of the Working Committee on the Draft Customs Act before the Joint Standing Committee on Commerce, Industry and Banking.
Tanva advised clients on customs compliance, customs valuation, product classification, product rules of origin, goods subject to import/export controls, ASEAN free trade agreements, trade and investment privileges, customs free zones, and excise tax. He assisted clients in customs post clearance audit and customs dispute resolution, trained client personnel on compliance awareness, managed documentary reviews, and advised and developed strategies to manage non-compliance risks.
Tanva also counseled and assisted clients in seeking board of investment promotions, joint venture formations, and corporate structuring for foreign businesses in Thailand.