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Topics handled by WTO committees and agreements
Issues covered by the WTO’s committees and agreements

REPERTORY OF APPELLATE BODY REPORTS

Principles and Concepts of General Public International Law


ON THIS PAGE:

Good faith — Pacta sunt servanda
Jura novit curia
Non-recognition of foreign expropriations
No retroactive application of treaties. See also Temporal Application of Rights and Obligations (T.5)
Precautionary principle. See also SPS Agreement, Article 5.7 — Precautionary principle (S.6.23)
Proportionality
Estoppel


P.3.1 Good faith — Pacta sunt servanda     back to top

P.3.1.1 US — Shrimp, para. 158
(WT/DS58/AB/R)

The chapeau of Article XX is, in fact, but one expression of the principle of good faith. This principle, at once a general principle of law and a general principle of international law, controls the exercise of rights by states. One application of this general principle, the application widely known as the doctrine of abus de droit, prohibits the abusive exercise of a state’s rights and enjoins that whenever the assertion of a right “impinges on the field covered by [a] treaty obligation, it must be exercised bona fide, that is to say, reasonably.” An abusive exercise by a Member of its own treaty right thus results in a breach of the treaty rights of the other Members and, as well, a violation of the treaty obligation of the Member so acting. …

P.3.1.2 US — FSC, para. 166
(WT/DS108/AB/R)

Article 3.10 of the DSU commits Members of the WTO, if a dispute arises, to engage in dispute settlement procedures “in good faith in an effort to resolve the dispute”. This is another specific manifestation of the principle of good faith which, we have pointed out, is at once a general principle of law and a principle of general international law. This pervasive principle requires both complaining and responding Members to comply with the requirements of the DSU (and related requirements in other covered agreements) in good faith. By good faith compliance, complaining Members accord to the responding Members the full measure of protection and opportunity to defend, contemplated by the letter and spirit of the procedural rules. The same principle of good faith requires that responding Members seasonably and promptly bring claimed procedural deficiencies to the attention of the complaining Member, and to the DSB or the Panel, so that corrections, if needed, can be made to resolve disputes. The procedural rules of WTO dispute settlement are designed to promote, not the development of litigation techniques, but simply the fair, prompt and effective resolution of trade disputes.

P.3.1.3 Thailand — H-Beams, para. 97
(WT/DS122/AB/R)

… We also note that nothing in the DSU prevents a defending party from requesting further clarification on the claims raised in a panel request from the complaining party, even before the filing of the first written submission. In this regard, we point to Article 3.10 of the DSU which enjoins Members of the WTO, if a dispute arises, to engage in dispute settlement procedures “in good faith in an effort to resolve the dispute”. As we have previously stated, the “procedural rules of WTO dispute settlement are designed to promote, not the development of litigation techniques, but simply the fair, prompt and effective resolution of trade disputes”.

P.3.1.4 US — Lamb, para. 115
(WT/DS177/AB/R, WT/DS178/AB/R)

We wish to emphasize that the discretion that WTO Members enjoy to argue dispute settlement claims in the manner they deem appropriate does not, of course, detract from their obligation, under Article 3.10 of the DSU, “to engage in dispute settlement procedures ‘in good faith in an effort to resolve the dispute’.” It follows that WTO Members cannot improperly withhold arguments from competent authorities with a view to raising those arguments later before a panel. …

P.3.1.5 US — Hot-Rolled Steel, para. 101
(WT/DS184/AB/R)

… This provision requires investigating authorities to strike a balance between the effort that they can expect interested parties to make in responding to questionnaires, and the practical ability of those interested parties to comply fully with all demands made of them by the investigating authorities. We see this provision as another detailed expression of the principle of good faith, which is, at once, a general principle of law and a principle of general international law, that informs the provisions of the Anti-Dumping Agreement, as well as the other covered agreements. This organic principle of good faith, in this particular context, restrains investigating authorities from imposing on exporters burdens which, in the circumstances, are not reasonable.

P.3.1.6 US — Cotton Yarn, para. 81
(WT/DS192/AB/R)

There is no need for the purpose of this appeal to express a view on the question whether an importing Member would be under an obligation, flowing from the “pervasive” general principle of good faith that underlies all treaties, to withdraw a safeguard measure if post-determination evidence relating to pre-determination facts were to emerge revealing that a determination was based on such a critical factual error that one of the conditions required by Article 6 turns out never to have been met.

P.3.1.7 Mexico — Corn Syrup (Article 21.5 — US), para. 47
(WT/DS132/AB/RW)

… the “observations” raised by Mexico were not expressed in a fashion that indicated that Mexico was raising an objection to the authority of the Panel. The requirements of good faith, due process and orderly procedure dictate that objections, especially those of such potential significance, should be explicitly raised. Only in this way will the panel, the other party to the dispute, and the third parties, understand that a specific objection has been raised, and have an adequate opportunity to address and respond to it. …

P.3.1.8 US — Shrimp (Article 21.5 — Malaysia), footnote 97 to para. 134
(WT/DS58/AB/RW)

… We do wish to note, though, that there is one observation by the Panel with which we do not agree. In assessing the good faith efforts made by the United States, the Panel stated that:

The United States is a demandeur in this field and given its scientific, diplomatic and financial means, it is reasonable to expect rather more than less from that Member in terms of serious good faith efforts. Indeed, the capacity of persuasion of the United States is illustrated by the successful negotiation of the Inter-American Convention. (Panel Report, para. 5.76)

We are not persuaded by this line of reasoning. As we stated in our previous Report, the chapeau of Article XX is “but one expression of the principle of good faith”. (Appellate Body Report, United States — Shrimp, supra, footnote 24, para. 158) This good faith notion applies to all WTO Members equally.

P.3.1.9 EC — Sardines, para. 278
(WT/DS231/AB/R)

… We must assume that Members of the WTO will abide by their treaty obligations in good faith, as required by the principle of pacta sunt servanda articulated in Article 26 of the Vienna Convention. And, always in dispute settlement, every Member of the WTO must assume the good faith of every other Member.

P.3.1.10 US — Offset Act (Byrd Amendment), paras. 296-298
(WT/DS217/AB/R, WT/DS234/AB/R)

… Article 26 of the Vienna Convention, entitled Pacta Sunt Servanda, to which several appellees referred in their submissions, provides that “[e]very treaty in force is binding upon the parties to it and must be performed by them in good faith.” The United States itself affirmed “that WTO Members must uphold their obligations under the covered agreements in good faith”.

… Clearly, therefore, there is a basis for a dispute settlement panel to determine, in an appropriate case, whether a Member has not acted in good faith.

Nothing, however, in the covered agreements supports the conclusion that simply because a WTO Member is found to have violated a substantive treaty provision, it has therefore not acted in good faith. In our view, it would be necessary to prove more than mere violation to support such a conclusion.

P.3.1.11 EC — Tube or Pipe, para. 127
(WT/DS219/AB/R)

This excerpt … indicates that the Panel did not rely exclusively on the presumption of good faith, as Brazil suggests, given that some of the Panel’s questions were directed at the validity of Exhibit EC-12. If the Panel had placed total reliance on the presumption of good faith, it would have simply accepted the European Communities’ assertion that Exhibit EC-12 formed part of the record of the investigation and would not have posed questions to assess the consistency of Exhibit EC-12 with other evidence contained in the record. …

P.3.1.12 US — Corrosion-Resistant Steel Sunset Review, para. 86
(WT/DS244/AB/R)

… a measure attributable to a Member may be submitted to dispute settlement provided only that another Member has taken the view, in good faith, that the measure nullifies or impairs benefits accruing to it under the Anti-Dumping Agreement. …

P.3.1.13 US — Corrosion-Resistant Steel Sunset Review, para. 89
(WT/DS244/AB/R)

… As long as a Member respects the principles set forth in Articles 3.7 and 3.10 of the DSU, namely, to exercise their “judgement as to whether action under these procedures would be fruitful” and to engage in dispute settlement in good faith, then that Member is entitled to request a panel to examine measures that the Member considers nullify or impair its benefits. …

P.3.1.14 US — Gambling, para. 269
(WT/DS285/AB/R)

… This does not mean that a responding party may put forward its defence whenever and in whatever manner it chooses. Article 3.10 of the DSU provides that “all Members will engage in these procedures in good faith in an effort to resolve the dispute”, which implies the identification by each party of relevant legal and factual issues at the earliest opportunity, so as to provide other parties, including third parties, an opportunity to respond.

P.3.1.15 US — Gambling, para. 272
(WT/DS285/AB/R)

It follows that the principles of good faith and due process oblige a responding party to articulate its defence promptly and clearly. This will enable the complaining party to understand that a specific defence has been made, “be aware of its dimensions, and have an adequate opportunity to address and respond to it.” …

P.3.1.16 EC — Export Subsidies on Sugar, para. 307
(WT/DS265/AB/R, WT/DS266/AB/R, WT/DS283/AB/R)

… we observe that, to the extent that this concept [of estoppel] applies at all, it is reasonable for a panel to examine estoppel in the context of determining whether a Member has engaged “in these procedures in good faith”, as required under Article 3.10 of the DSU. Hence, not only do we believe that the Panel’s examination did not fail to address the European Communities’ contention on Article 3.10 and good faith, but the Panel made no error in addressing this issue together with the issue of estoppel. We therefore see no error in the Panel’s approach. …

 
P.3.2 Jura novit curia     back to top

P.3.2.1 EC — Tariff Preferences, para. 105
(WT/DS246/AB/R)

We are therefore of the view that the European Communities must prove that the Drug Arrangements satisfy the conditions set out in the Enabling Clause. Consistent with the principle of jura novit curia, it is not the responsibility of the European Communities to provide us with the legal interpretation to be given to a particular provision in the Enabling Clause; instead, the burden of the European Communities is to adduce sufficient evidence to substantiate its assertion that the Drug Arrangements comply with the requirements of the Enabling Clause.

 
P.3.3 Non-recognition of foreign expropriations     back to top

P.3.3.1 US — Section 211 Appropriations Act, para. 267
(WT/DS176/AB/R)

… even if we were to accept the United States argument about the doctrine of non-recognition of foreign confiscation, presumably that doctrine would apply to those who are not nationals of the United States as well as to those who are. …

P.3.3.2 US — Section 211 Appropriations Act, para. 295
(WT/DS176/AB/R)

… the United States referred to its longstanding doctrine of non-recognition of foreign confiscations. However, this policy could not possibly apply to trademarks that existed in the United States when a business or assets connected with a trademark composed of the same or substantially similar signs were confiscated in Cuba.


P.3.4 No retroactive application of treaties. See also Temporal Application of Rights and Obligations (T.5)     back to top

P.3.4.1 Brazil — Desiccated Coconut, p. 15, DSR 1997:I, p. 167 at 179-180
(WT/DS22/AB/R)

Article 28 [of the Vienna Convention on the Law of Treaties] states the general principle that a treaty shall not be applied retroactively unless a different intention appears from the treaty or is otherwise established”. Absent a contrary intention, a treaty cannot apply to acts or facts which took place, or situations which ceased to exist, before the date of its entry into force. …

P.3.4.2 EC — Bananas III, paras. 235, 237
(WT/DS27/AB/R)

The European Communities also raises the question whether the Panel erred in giving retroactive effect to Articles and XVII of the GATS, contrary to the principle stated in Article 28 of the Vienna Convention. Article 28 states the general principle of international law that “[u]nless a different intention appears from the treaty or is otherwise established, its provisions do not bind a party in relation to … any situation which ceased to exist before the date of entry into force of the treaty …”. The Panel stated in its finding on this issue that:

… the scope of our legal examination includes only actions which the EC took or continued to take, or measures that remained in force or continued to be applied by the EC, and thus did not cease to exist after the entry into force of the GATS. Likewise, any finding of consistency or inconsistency with the requirements of Articles and XVII of GATS would be made with respect to the period after the entry into force of the GATS. [Panel Report, para. 7.308]

The Panel stated, further, in a footnote to this finding, that “the EC measures at issue may be considered as continuing measures, which in some cases were enacted before the entry into force of the GATS but which did not cease to exist after that date (the opposite of the situation envisaged in Article 28)”.

It is … evident from the terms of its finding that the Panel concluded, as a matter of fact, that the de facto discrimination did continue to exist after the entry into force of the GATS. This factual finding is beyond review by the Appellate Body. Thus, we do not reverse or modify the Panel’s conclusion in paragraph 7.308 of the Panel Reports.

P.3.4.3 Canada — Patent Term, para. 72
(WT/DS170/AB/R)

… Article 28 [of the Vienna Convention on the Law of Treaties] establishes that, in the absence of a contrary intention, treaty provisions do not apply to “any situation which ceased to exist” before the treaty’s entry into force for a party to the treaty. Logically, it seems to us that Article 28 also necessarily implies that, absent a contrary intention, treaty obligations do apply to any “situation” which has not ceased to exist — that is, to any situation that arose in the past, but continues to exist under the new treaty. …

P.3.4.4 Canada — Patent Term, para. 70
(WT/DS170/AB/R)

… A treaty applies to existing rights, even when those rights result from “acts which occurred” [in the wording of Article 70.1 of the TRIPS Agreement] before the treaty entered into force.

P.3.4.5 EC — Sardines, para. 200
(WT/DS231/AB/R)

We recall that Article 28 of the Vienna Convention on the Law of Treaties (the “Vienna Convention”) provides that treaties generally do not apply retroactively. …

… As we have said in previous disputes, the interpretation principle codified in Article 28 is relevant to the interpretation of the covered agreements. …


P.3.5 Precautionary principle. See also SPS Agreement, Article 5.7 — Precautionary principle (S.6.23)     back to top

P.3.5.1 EC — Hormones, paras. 123-124
(WT/DS26/AB/R, WT/DS48/AB/RM)

The status of the precautionary principle in international law continues to be the subject of debate among academics, law practitioners, regulators and judges. The precautionary principle is regarded by some as having crystallized into a general principle of customary international environmental law. Whether it has been widely accepted by Members as a principle of general or customary international law appears less than clear. We consider, however, that it is unnecessary, and probably imprudent, for the Appellate Body in this appeal to take a position on this important, but abstract, question. We note that the Panel itself did not make any definitive finding with regard to the status of the precautionary principle in international law and that the precautionary principle, at least outside the field of international environmental law, still awaits authoritative formulation.

It appears to us important, nevertheless, to note some aspects of the relationship of the precautionary principle to the SPS Agreement. First, the principle has not been written into the SPS Agreement as a ground for justifying SPS measures that are otherwise inconsistent with the obligations of Members set out in particular provisions of that Agreement. Secondly, the precautionary principle indeed finds reflection in Article 5.7 of the SPS Agreement. We agree, at the same time, with the European Communities, that there is no need to assume that Article 5.7 exhausts the relevance of a precautionary principle. It is reflected also in the sixth paragraph of the preamble and in Article 3.3. These explicitly recognize the right of Members to establish their own appropriate level of sanitary protection, which level may be higher (i.e., more cautious) than that implied in existing international standards, guidelines and recommendations. Thirdly, a panel charged with determining, for instance, whether “sufficient scientific evidence” exists to warrant the maintenance by a Member of a particular SPS measure may, of course, and should, bear in mind that responsible, representative governments commonly act from perspectives of prudence and precaution where risks of irreversible, e.g. life-terminating, damage to human health are concerned. Lastly, however, the precautionary principle does not, by itself, and without a clear textual directive to that effect, relieve a panel from the duty of applying the normal (i.e. customary international law) principles of treaty interpretation in reading the provisions of the SPS Agreement.

 
P.3.6 Proportionality     back to top

P.3.6.1 US — Cotton Yarn, paras. 119-120
(WT/DS192/AB/R)

… the part of the total serious damage attributed to an exporting Member must be proportionate to the damage caused by the imports from that Member. Contrary to the view of the United States, we believe that Article 6.4, second sentence, does not permit the attribution of the totality of serious damage to one Member, unless the imports from that Member alone have caused all the serious damage.

Our view is supported further by the rules of general international law on state responsibility, which require that countermeasures in response to breaches by states of their international obligations be commensurate with the injury suffered. In the same vein, we note that Article 22.4 of the DSU stipulates that the suspension of concessions shall be equivalent to the level of nullification or impairment. This provision of the DSU has been interpreted consistently as not justifying punitive damages. These two examples illustrate the consequences of breaches by states of their international obligations, whereas a safeguard action is merely a remedy to WTO-consistent “fair trade” activity. It would be absurd if the breach of an international obligation were sanctioned by proportionate countermeasures, while, in the absence of such breach, a WTO Member would be subject to a disproportionate and, hence, “punitive”, attribution of serious damage not wholly caused by its exports. In our view, such an exorbitant derogation from the principle of proportionality in respect of the attribution of serious damage could be justified only if the drafters of the ATC had expressly provided for it, which is not the case.

P.3.6.2 US — Line Pipe, para. 257
(WT/DS202/AB/R)

… If the pain inflicted on exporters by a safeguard measure were permitted to have effects beyond the share of injury caused by increased imports, this would imply that an exceptional remedy, which is not meant to protect the industry of the importing country from unfair or illegal trade practices, could be applied in a more trade-restrictive manner than countervailing and anti-dumping duties. On what basis should the WTO Agreement be interpreted to limit a countermeasure to the extent of the injury caused by unfair practices or a violation of the treaty but not so limit a countermeasure when there has not even been an allegation of a violation or an unfair practice?

P.3.6.3 US — Line Pipe, para. 259
(WT/DS202/AB/R)

We note as well the customary international law rules on state responsibility, to which we also referred in US — Cotton Yarn. We recalled there that the rules of general international law on state responsibility require that countermeasures in response to breaches by States of their international obligations be proportionate to such breaches. Article 51 of the International Law Commission’s Draft Articles on Responsibility of States for Internationally Wrongful Acts provides that “countermeasures must be commensurate with the injury suffered, taking into account the gravity of the internationally wrongful act and the rights in question”. Although Article 51 is part of the International Law Commission’s Draft Articles , which do not constitute a binding legal instrument as such, this provision sets out a recognized principle of customary international law. We observe also that the United States has acknowledged this principle elsewhere. In its comments on the International Law Commission’s Draft Articles , the United States stated that “under customary international law a rule of proportionality applies to the exercise of countermeasures”.

 
P.3.7 Estoppel     back to top

P.3.7.1 EC — Export Subsidies on Sugar, para. 310
(WT/DS265/AB/R, WT/DS266/AB/R, WT/DS283/AB/R)

We agree with the Panel that it is far from clear that the estoppel principle applies in the context of WTO dispute settlement. …

P.3.7.2 EC — Export Subsidies on Sugar, para. 312
(WT/DS265/AB/R, WT/DS266/AB/R, WT/DS283/AB/R)

The principle of estoppel has never been applied by the Appellate Body. Moreover, the notion of estoppel, as advanced by the European Communities, would appear to inhibit the ability of WTO Members to initiate a WTO dispute settlement proceeding. We see little in the DSU that explicitly limits the rights of WTO Members to bring an action; WTO Members must exercise their “judgement as to whether action under these procedures would be fruitful”, by virtue of Article 3.7 of the DSU, and they must engage in dispute settlement procedures in good faith, by virtue of Article 3.10 of the DSU. This latter obligation covers, in our view, the entire spectrum of dispute settlement, from the point of initiation of a case through implementation. Thus, even assuming arguendo that the principle of estoppel could apply in the WTO, its application would fall within these narrow parameters set out in the DSU.

 


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