Case of Five Pensioners v. Peru, Inter-Am. Ct. H.R. (ser. C) No. 98, ¶103 (2003). • • Protocol of San Salvador, Art. 5 (on conditions under which laws restricting ESCR can be justified). U.N. Doc. E/1991/23, United Nations Committee on Economic, Social and Cultural Rights, General Comment No. 3: The nature of States Parties obligations (paragraph 1 of article 2 of the Covenant), adopted at the Fifth Session, 1990, point 9. (on the adjudication of progressive development of ECSR) 7. Cited Case Law • Cf. Las Palmeras case. Judgment of December 6, 2001. Series C No. 90, para. 58; Case of the Mayagna (Sumo) Awas Tingni Community, supra note 2, paras. 111-113; and the Constitutional Court case. Judgment of January 31, 2001. Series C No. 71, paras. 89, 90 and 93. (on delayed execution of judgments).