| Name | Related Clauses | Applicable Mode |
| Constitutional Law | Only the preamble deals with foreign policy | Not involved |
| Legislation Law | Not involved | Not involved |
| Procedural Law | Not involved | Not involved |
| General Principles of the Civil Law (Invalid) | Article 142 | Preferential application of treaties (excluding reservations) & Supplementary or Optional application of international practices (limited to foreign-related legal relations) |
| Civil Code | Article 10 & Article 12 | National law & law shall apply in the field except as otherwise provided |
| Maritime Law | Article 268 & Article 269 | Preferential application of treaties (excluding reservations) & Supplementary or Optional application of international practices (limited to foreign-related legal relations) |
| Foreign Investment Law | Article 4 | Preferential application of treaties |
| Foreign Investment Law | Article 184 & Article 190 | Preferential application of treaties (excluding reservations) & Supplementary or Optional application of international practices (limited to foreign-related legal relations) |
| …… | ||