1.
General Agreement on Tariffs and Trade (GATT 1947)
Article III* - National Treatment on Internal Taxation and Regulation
2.
Agreement on Technical Barriers to Trade
Article 2 - Preparation, Adoption and Application of Technical Regulations - by Central Government Bodies
ANNEX 3 - CODE OF GOOD PRACTICE FOR THE PREPARATION, ADOPTION AND APPLICATION OF STANDARDS
3.
Agreement on Trade-related Investment Measures
Article 2 - National Treatment and Quantitative Restrictions
ANNEX - ILLUSTRATIVE LIST
4.
Annex 1B: General Agreement on Trade in Services
Article XVII - National Treatment
Article XX - Schedules of Specific Commitments
ANNEX ON TELECOMMUNICATIONS
5.
Annex 1C: Agreement on Trade-related Aspects of Intellectual Property Rights
Article 3 - National Treatment
Article 4 - Most-Favoured-Nation Treatment
6.
Agreement on Government Procurement
Article V - Special and Differential Treatment for Developing Countries
Article VIII - Qualification of Suppliers
7.
Understanding on Commitments in Financial Services
B. Market Access
D. Definitions
Four Main Rules of GATT
Fourth rule: national treatment