I. Definition
The full protection and security standard creates an obligation for the host State (i) not to directly harm investors/investments through acts attributable to the State and (ii) to protect investors and investments against actions of private parties, e.g. in the course of civil unrest, as well as actions or inactions1 of the host State, its organs or agents.2 It is complementary to the State’s monopoly over the use of physical force and the prohibition of vigilante justice.
II. Treaty practice
The full protection and security standard is included in the overwhelming majority of investment treaties. The specific wordings differ. Some treaties refer to “full”,3 others to “full and complete”,4 “(most) constant”5 or “continuous”6 protection and security. “Protection” and “security” are sometimes inverted,7 “security” omitted.8 In arbitral practice, “these semantic variations do not change tribunals’ interpretations of the standard.”9
III. Origins
The full protection and security standard finds first mention in eighteenth century European scholarship10 and treaties.11 An early codification of the underlying principle can be found in Article 76 of the Introduction to the General Law for the Prussian States of 1794.12 It became more common in nineteenth century treaties on friendship, commerce and navigation13 and continued to be included in such treaties after World War II,14 in the Abs-Shawcross Convention15 as well as in the 1967 Draft OECD Convention.16 The full protection and security standard was featured prominently in the first ever ICSID case under a BIT, AAPL v. Sri Lanka.17
IV. Extent of treatment owed
A. Physical protection and security of the investor or its investment
B. Extension to “commercial” and “legal” protection and security
A few treaties include language which specifically identifies that “legal” protection and security is part of the obligation,20 as recognized by some tribunals.21 Most treaties, however, do not qualify what specific kind of protection and security is owed. In such cases, tribunals have interpreted the respective clauses differently:
V. Due diligence
A. Definition
It is virtually undisputed that the full protection and security standard does not impose strict liability on the host State but a due-diligence obligation.26 The due diligence obligation is sometimes referred to as an "obligation of vigilance."27 This is critical where the injury at issue was caused by actions which are not directly attributable to the State itself. In this context, “due diligence” means that the host State is not required “to prevent each and every injury” but must exercise reasonable care and take reasonable actions within its power to prevent injury of the investor.28 Once injuries have already happened, the State is expected to sanction them.29
B. Standard of review
The assessment is highly fact specific and depends on the circumstances of each case. In general, the host State must take all measures to prevent the injury which are possible under the specific circumstances and with due regard to its capacities.30 In some cases, tribunals held that the due diligence obligation was breached;31 in others, tribunals found that the State has acted with the necessary diligence.32
C. Application in situations of instability faced by the State
Recently, a number of tribunals had to conduct this inquiry in the context of a situation where the State faced general instability.33 Tribunals have been particularly critical of the “lower” due-diligence standard in the context of legal protection and security claims.34
Bibliography
Alexandrov, S.A., The Evolution of the Full Protection and Security Standard, in Kinnear, M. et al. (eds.), Building International Investment Law: The First 50 Years of ICSID, 2015, Chapter 23.
Moss, G.C., Full Protection and Security, in Reinisch, A. (ed.), Standards of Investment Protection, 2008, Chapter 6.
McLachlan, C., and Others, International Investment Arbitration, 2nd ed., 2018, paras. 7.240-7.266.
Schreuer, C., Full Protection and Security, Journal of International Dispute Settlement, 2010, pp. 1-17.
Zeitler, H.E., Full Protection and Security, in Schill, S.W. (ed.), International Investment Law and Comparative Public Law, 2010, Chapter 6.
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