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 Article #  

 
Preamble
(Purpose of the Principles)

These Principles set forth general rules for international commercial contracts.
They shall be applied when the parties have agreed that their contract be governed by them.
They may be applied when the parties have agreed that their contract be governed by general principles of law, the lex mercatoria or the like.
They may be applied when the parties have not chosen any law to govern their contract.
They may be used to interpret or supplement international uniform law instruments.
They may be used to interpret or supplement domestic law.
They may serve as a model for national and international legislators.


Author Title Publisher
ABASCAL J.M. Los Principios de UNIDROIT como instrumento para interpretar o suplementar textos internacionales de derecho uniforme o textos de derecho interno UNIDROIT (ed.), The UNIDROIT Principles: a Common Law of Contracts for the Americas?, 1998, 211-220
ADAME GODDARD J. Hacia un concepto international de contrato (o la interpretación de la palabra "contrato" en los Principios de UNIDROIT) Comentarios a los principios sobre los Contratos Comerciales Internacionales del Unidroit, Universidad Nacional Autónoma de México, 1998, 15-32
AMOUSSOU-GUENOU, R. Perspectives des Principes Asean (ou Asiatiques) du droit des contrats Revue de droit des affaires international 2005, p. 573 et seq.
ASENSIO P.A. Armonización normativa y régimen juridico de los contratos mercantiles internacionales Diritto del commercio internazionale, n. 4, 1998, 859-883
AUDIT, B. Le choix des Principes d'Unidroit comme loi du contrat et le droit international privé in Liber Amicorum - Mélanges en l'honneur de Camille Jauffret-Spinosi, Association Henri Capitant, Dalloz (Paris) 2013
BADR Y.I.I. Can It Be Done? Adopting the UNIDROIT Principles Through Party Autonomy under Omani Choice-of-Law Rules in The Protection Project - Journal of Human Rights and Civil Society, Vol. 7, Spring 2015, p. 1-18
BARON G. Do the UNIDROIT Principles of International Commercial Contracts form a New Lex Mercatoria? Arbitration International, 1999, 115-130
BASEDOW J. Die UNIDROIT-Prinzipien der Internationalen Handelsverträge und die Übereinkommen des einheitlichen Privatrechts - Eine theoretische Studie zur praktischen Anwendung des internationalen Transportrechts, besonders der CMR Festschrift für Ulrich Drobnig zum siebzigsten Geburtstag, Mohr Siebeck, Tübingen 1998, 19-38
BASEDOW J. Uniform Law Conventions and the UNIDROIT Principles of International Commercial Contracts Uniform Law Review / Revue de droit uniforme, 2000, 129-139
BERAUDO J.P. Los Principios de UNIDROIT como instrumento para interpretar o suplementar textos internacionales de derecho uniforme o textos de derecho interno UNIDROIT (ed.), The UNIDROIT Principles: a Common Law of Contracts for the Americas?, 1998, 235-238
BERGER K. P. The Creeping Codification of the Lex Mercatoria Kluwer Law International, The Hague - London - Boston, 1999
BERGER K. P. The relationship between the UNIDROIT Principles of International Commercial Contracts and the new lex mercatoria Uniform Law Review / Revue de droit uniforme, 2000, 153-170
BERGER, K.-P. General Principles of Law in International Arbitration. How to Find Them - How to Apply Them 5 World Arbitration & Mediation Review (2011), 97 - 141
BERTOLI, P. Criteri di giurisdizione e legge applicabile in tema di responsabilità precontrattuale alla luce della sentenza Fonderie Meccaniche Tacconi Rivista di diritto internazionale privato e processuale, 34 (2003), 109-134.
BLASE F. Die Grundregeln des Europäischen Vertragsrechts als Recht grenzüberschreitender Verträge Quadis Publishing, Münster 2001
BLASE F., Proposing a New Road Map for an Old Minefield. The Determination of the Rules Governing the Substance of the Dispute in International Commercial Arbitration 20 Journal of International Arbitration 2003, p. 267 et seq.
BÖCKSTIEGEL K.-H. The Applcation of the UNIDROIT Principles to Contracts Involving States or Intergovernmental Organizations ICC International Court of Arbitration Bulletin, 2002, Special Supplement, 51-55
BOELE-WOELKI K. Terms of co-existence: the CISG and the UNIDROIT Principles SARCEVIC P. / VOLKEN P. (Eds), The International Sale of Goods, 203-240. The Hague, London, New York, Kluwer Law International, 2001.
BOELE-WOELKI K. Principles en IPR. Enkele beschouwingen over de toepassing van de UNIDROIT Principles of International Commercial Contracts en de Principles of European Contract Law op internationale overeenk Koninklijke Vermande, Lelystad 1995
BOELE-WOELKI K. Die Anwendung der UNIDROIT-Principles auf internationale Handelsverträge Praxis des Internationalen Privat- und Verfahrensrecht, 1997, 161-171
BOELE-WOELKI K. Principles and Private International Law: The UNIDROIT Principles of International Commercial Contracts and the Principles of European Contract Law: How to apply them to international contract 1 Uniform Law Review, n. 4, 1996, 652-678
BOGGIANO A. La Convention interaméricaine sur la loi applicable aux contrats internationaux et les Principes d'UNIDROIT 1 Uniform Law Review / Revue de droit uniforme, n. 2, 1996, 219-228
BONELL M. J. A ‘Global’ arbitration decided on the basis of the UNIDROIT Principles: In re Andersen Consulting Business Unit Member Firms v. Arthur Andersen Business Unit Member Firms and Andersen Worldwide Société Coopérative 17 Arbitration International 2001, 249-261
BONELL M. J. UNIDROIT Principles and the Lex Mercatoria Carbonneau T.E. (ed.), Lex Mercatoria and Arbitration, Juris Publ., Kluwer Law International, 1998, 249-255
BONELL M.J. The UNIDROIT Principles as a Means of Interpreting and Supplementing International Uniform Law ICC International Court of Arbitration Bulletin, 2002, Special Supplement, 29-38
BONELL M.J. UNIDROIT Principles: a significant recognition by a United States District Court Uniform Law Review / Revue de droit uniforme 1999, 651-663.
BONELL M.J. The UNIDROIT Principles of International Commercial Contracts and the harmonisation of international sales law FLETCHER, I. / MISTELIS, L. / CREMONA, M. (Eds.), Foundations and Perspectives of International Trade Law, London, Sweet and Maxwell, 2001, 298-309
BONELL M.J. The UNIDROIT Principles of International Commercial Contracts and the Vienna Sales Convention (CISG): Alternative or Complementary Instruments? 1 Uniform Law Review / Revue de droit uniforme, n.1, 1996, 26-39
BONELL M.J. UNIDROIT Principles of International Commercial Contracts and CISG: Alternatives or Complementary Instruments? International Sales, n. 24, 1999, 9-14; also in Business Law International, n. 2, 2000, 89-98
BONELL, M. J. Towards a Legislative Codification of the UNIDROIT Principles? Uniform Law Review, 2007, 233-245.
BONELL, M.J. Model Clauses for the Use of the Unidroit Principles of International Commercial Contracts Uniform law review = Revue de droit uniforme (Roma) vol. 18, no. 3-4 (2013) 473-489
BONELL, M.J. Responsabilità precontrattuale, Convenzione di Bruxelles sulla competenza giurisdizionale e l’esecuzione delle sentenze e... Principi UNIDROIT (Corte di Giustizia, 17 settembre 2002 Diritto del commercio internazionale, 17 (2003), 169-191.
BONELL, M.J. UNIDROIT Principles 2004 - A Further Step Towards a Global Contract Law Uniform Commercial Code Law Journal 2004, pp.49-90
BONELL, M.J. The UNIDROIT Principles in Practice. Caselaw and Bibliography on the Principles of Commercial Contracts Ardsley, N.Y., Transnational Publishers, 2002, xv - 702
BONELL, M.J. An International Restatement of Contract Law. The UNIDROIT Principles of International Commercial Contracts (3d ed) Transnational Publications Inc., Ardsely, New York, 2005, at 68-82, 173-261
BONELL, M.J. The Unidroit Principles 2010: an International Restatement of Contract Law Diritto del commercio internazionale, no. 4/2011, pp.881-907
BORJAS HERNANDEZ L. Los Principios de UNIDROIT: ¿Un modelo posible con miras a la armonización del derecho de los contratos comerciales internacionales en el contexto de la integración regional en las Américas? UNIDROIT (ed.), The UNIDROIT Principles: a Common Law of Contracts for the Americas?, 1998, 137-145
BORTOLOTTI Fabio Manuale di diritto commerciale internazionale, I, Diritto dei contratti internazionali,2.ed., CEDAM 2001, 73-98
BORTOLOTTI, F. Reference to the UNIDROIT Principles in Contract Practice and Model Contracts ICC International Court of Arbitration Bulletin, 2005 Special Supplement, pp. 57-64.
BOUZA VIDAL N. The UNIDROIT Principles as Legal Background in Spanish Case Law Eppur si muove: The Age of Uniform Law Essays in honour of Michael Joachim Bonell to celebrate his 70th birthday, vol. 2, 1266 ss.
BRIDGE M. The UK Sale of Goods Act, the CISG and the UNIDROIT Principles SARCEVIC P. - VOLKEN P. (Eds), The International Sale of Goods, The Hague, London, New York, Kluwer Law International, 2001, 115-255
BRÖDERMANN, E. I Principi UNIDROIT nella pratica commerciale internazionale - Un esperienza tedesca Diritto del Commercio Internazionale 2012, 887-906
BRÖDERMANN, E. Die erweiterten UNIDROIT Principles 2004 Recht der Internationalen Wirtschaft 2004, 721-735.
BURKART, F. Interpretatives Zusammenwirken von CISG und UNIDROIT Principles Baden-Baden, Nomos Verlagsgesellschaft, 2000, pp. XXVII-314
CANARIS C. W. Die Stellung der "UNIDROIT Principles" und der "Principles of European Contract Law" im System der Rechtsquellen BASEDOW, J. (ed.), Europäische Vertragsrechtsvereinheitlichung und deutsches Recht, J. C. B. Mohr (Siebeck), Tübingen 2000, 5 - 31
CARBONE, S.M. I Principi UNIDROIT quale SOFT LAW applicabile ai contratti del commercio internazionale: tra autonomia privata e ordinamenti statali Diritto del Commercio Internazionale 2012, 809-824
CARLSEN, A. Can the Hardship Provisions in the UNIDROIT Principles Be Applied When the CISG is the Governing Law? Pace Law School Institute of International Commercial Law, 1998, http://www.cisg.law.pace.edu/cisg/biblio/carlsen.html
Chi Manjiao Application of the UNIDROIT Principles in China : Successes, Shortcomings and Implications Uniform Law Review 2010, pp. 5-36.
DA GAMA E SOUZA jr. The UNIDROIT Principles of International Commercial Contracts and Their Applicability in the MERCASOUR Countries Les Principes d'UNIDROIT et les contrats internationaux: aspects pratiques, in Revue Juridique Thémis, vol. 36, no.2 (2002), pp.375-419
DARANKOUM , E. S. L'application des Principes d'UNIDROIT par les arbitres internationaux et par les juges étatiques Les Principes d'UNIDROIT et les contrats internationaux: aspects pratiques, in Revue Juridique Thémis, vol. 36, no.2 (2002), pp.421-480
DE LY, F. Choice of law clauses, UNIDROIT Principles of International Commercial Contracts and Article 3 Rome Convention: The lex mercatoria before domestic courts or arbitration privilege? Etudes offertes à Barthélemy Mercadal, Paris 2002, 133-145.
DE LY, F. Choice of non-State law and international contracts Diritto del Commercio Internazionale 2012, 825-835
DESSEMONTET F. Use of the UNIDROIT Principles to Interpret and Supplement Domestic Law ICC International Court of Arbitration Bulletin, 2002, Special Supplement, 39-50
DROBNIG U. The UNIDROIT Principles in the Conflict of Laws Uniform Law Review / Revue de droit uniforme, 1998, 385-395
DROBNIG U. The Use of the UNIDROIT Principles by National and Supranational Courts UNIDROIT Principles for International Commercial Contracts: A New Lex Mercatoria?, ICC Publication n. 490/1, 1995, 223-232
ENDERLEIN F. The UNIDROIT Principles as a Means for the Interpretation of International Uniform Laws (paper presented at the Bi-annual 25th Conference of the International Bar Association held in Melbourne on 9-14 October 1994)
ESTRELLA FARIA J.A. The Influence of the UNIDROIT Principles of International Commercial Contracts on National Laws Eppur si muove: The Age of Uniform Law Essays in honour of Michael Joachim Bonell to celebrate his 70th birthday, vol. 2, 1318 ff.
FARNSWORTH E.A. The Role of the UNIDROIT Principles in International Commercial Arbitration (2): A US Perspective on Their Aims and Application ICC International Court of Arbitration Bulletin, 2002, Special Supplement, 21-28
FELEMEGAS, J. (ed) An International Approach to the Interpretation of the United Nations Convention on Contracts for the International Sale of Goods (1980) as Uniform Sales Law Cambridge University Press 2007, pp. 544
FERNANDEZ-ARMESTO, J. NOTE on Separate Arbitral Award rendered in 2001 in SCC case 117/1999 Stockholm Arbitration Report 2002:1, 71-82
FERRARI F. Le champ d'application des principes pour les contrats commerciaux internationaux élaborés par UNIDROIT Revue internationale de droit comparé, n. 4, 1996, 986 et seq.
FERRARI F. I "Principi per i contratti commerciali internazionali" dell'UNIDROIT ed il loro ambito di applicazione Contratto e impresa / Europa, 1996, 297 et seq.
FERRARI F. Defining the Sphere of Application of the 1994 "UNIDROIT Principles of International Commercial Contracts" 69 Tulane Law Review, 1995, 1225-1237
FERRARI F. Das Verhältnis zwischen den UNIDROIT-Grundsätzen und den allgemeinen Grundsätzen internationaler Einheitsprivatrecht-konvention Juristenzeitung, n. 1, 1998, 9-17
FERRARI F. General Principles and International Uniform Commercial Law Conventions: A Study of the 1980 Vienna Sales Convention and the 1988 UNIDROIT Conventions on International Factoring and Leasing and the UNIDROIT Principles 1 European Journal of Law Reform, n. 3, 1998-1999, 217-241
FONTAINE M. The UNIDROIT Principles: An Expression of Current Contract Practice? ICC International Court of Arbitration Bulletin, 2002, Special Supplement, 95-104
FONTAINE M. he Role of the UNIDROIT Principles in Harmonizing Rules of Contract Law. The Draft OHADA Uniform Act on Contracts Inspired by the UNIDROIT Principles in The Protection Project - Journal of Human Rights and Civil Society, Vol. 7, Spring 2015, p. 31-44
FONTAINE, M. The Draft OHADA Uniform Act on Contracts and the UNIDROIT Principles of International Commercial Contracts Uniform Law Review = Revue de droit uniforme, 9 (2004), pp. 573-584
FONTAINE, M. Ius commune et harmonization du droit des contrats WIJFFELS A.(ed.), Le Code civil entre ius commune et droit privé européen, Bruylant 2005, pp.75 - 91
FRESNEDO DE AGUIRRE C. The UNIDROIT Principles of International Commercial Contracts: A Uruguayan Approach Eppur si muove: The Age of Uniform Law Essays in honour of Michael Joachim Bonell to celebrate his 70th birthday, vol. 2, 1393 ff.
GABRIEL H.D. Mandatory Rules as Limitations on Freedom of Contract in the UNIDROIT Principles of International Commercial Contracts in The Protection Project - Journal of Human Rights and Civil Society, Vol. 7, Spring 2015, p. 45-75
GAILLARD E. Use of General Principles of International Law in International Long-Term Contracts International Business Lawyers, n. 5, 1999, 214-224
GAMA jr., L. Contratos Internacionais à luz dos Princìpios do UNIDROIT 2004: Soft Law, Arbitragem e Jurisdicao Renovar (Brasil), 2006, pp.i -575
GARRO A.M. Unification and Harmonization of Private Law in Latin America 40 American Journal of Comparative Law, 1992, 587-616
GARRO A.M. The Gap-Filling Role of the UNIDROIT Principles in International Sales Law: Some Comments on the Interplay between the Principles and CISG 69 Tulane Law Review, 1995, 1149-1257
GIARDINA A. I Principi UNIDROIT quale legge regolatrice dei contratti internazionali (i Principi ed il diritto internazionale privato) Bonell M.J. / Bonelli F. (eds.), Contratti commerciali internazio-nali e Principi UNIDROIT, Giuffré, Milano 1997, 55-70
HARTKAMP A.S. The UNIDROIT Principles for International Commercial Contracts and the United Nations Convention on Contracts for the International Sale of Goods Asser Institute (ed.), Comparability and Evaluation. Essays on Comparative Law, Private International Law and International Commercial Arbitration, Nijhoff Pub.
HARTKAMP A.S. The Use of the UNIDROIT Principles of International Commercial Contracts by National and Supranational Courts UNIDROIT Principles for International Commercial Contracts: A New Lex Mercatoria?, ICC Publication n. 490/1, 1995, 253-261
HEIDEMANN, M. Methodology of Uniform Contract Law. The UNIDROIT Principles in International Legal Doctrine and Practice Springer 2007, p.i-xxvi - 230
HERBER, R. “Lex mercatoria” und “Principles” – gefährliche Irrlichter im internationalen Kaufrecht Internationales Handelsrecht, 3 (2003), 1-10.
HERRE J. Utfyllnad av CISG med UNIDROIT och European Principles V. Hagstrøm / P. Lødrup / M. Aarbakke (eds.), Ånd og rett, Festskrift til Birger Stuevold Lassen, Universitetsforlaget, Oslo 1997
JENKINS S.H. Teaching Sales Law in a Global Context: the Reciprocal Influence of Domestic Sales Law (Article 2) on Private International Law (CISG & UNIDROIT) and Private International Law on Revised Article 2 72 Tulane Law Review, n. 6, 1998, 1925-1929
JUENGER F. K. The lex mercatoria and private international law Uniform Law Review / Revue de droit uniforme, 2000, 171-187
JUENGER F.K. The UNIDROIT Principles of Commercial Contracts and Inter-american Contract Choice of Law Comentarios a los Principios sobre los Contratos Comerciales Internacionales del UNIDROIT, Universidad Nacional Autónoma de México, 1998, 229-236
JUENGER F.K. Contract Choice of Law in the Americas UNIDROIT (ed.), The UNIDROIT Principles: a Common Law of Contracts for the Americas?, 1998, 77-88
KAHN Ph. Les Principes UNIDROIT comme droit applicable aux contrats internationaux Bonell M.J. / Bonelli F. (eds.), Contratti commerciali internazio-nali e Principi UNIDROIT, Giuffré, Milano 1997, 39-53
KEMELMAJER DE CARLUCCI A. Adecuación de los Principios de los contratos de UNIDROIT para la armonización del régimen interno de los contratos en un Código Latinoamericano tipo Diritto Romano Comune. Rivista di diritto dell'integrazione e unificazione del diritto in Europa e in America Latina. Unificazione del diritto dei contratti in America Latina, n. 7, 1999, 231-247
KÖHLER, M. Die Haftung nach UN-Kaufrecht im Spannungsverhältnis zwischen Vertrag und Delikt Tübingen, J.B.C. Mohr (Paul Siebeck), 2003, XV-290
KOZOLCHYK B. The UNIDROIT Principles as a model for the unification of the best contractual practices in the Americas UNIDROIT (ed.), The UNIDROIT Principles: a Common Law of Contracts for the Americas?, 1998, 93-117
KRONKE, H. NOTE on Separate Arbitral Award rendered in 2001 in SCC case 117/1999 Stockholm Arbitration Report 2002:1, 65-70
LEON STEFFENS A. Principios para contratos comerciales internacionales : Algunas consideraciones de derecho internacional privado en torno al proyecto de UNIDROIT Bonell M.J. / Schipani S. (eds.), "Principi per i contratti commerciali internazionali" e il sistema giuridico latinoamericano, Padova 1996, 45-50
LEW J.D.M. The UNIDROIT Principles as Lex Contractus Chosen by the Parties and Without an Explicit Choice-of-Law Clause: The Perspective of Councel ICC International Court of Arbitration Bulletin, 2002, Special Supplement, 85-94
LOOKOFSKY J. The Limits of Commercial Contract Freedom: Under the UNIDROIT Restatement and Danish Law The American Journal of Comparative Law, 1998, 485 - 508
LU Song Award of interest in Arbitration under Article 78 CISG Uniform Law Review 2007, pp. 719 - 732
MANKOWSKI P. Überlegungen zur sach- und interessengerechten Rechtswahl für Verträge des internationalen Wirtschaftsverkehrs Recht der Internationalen Wirtschaft, 49 (2003), 2-15.
MARQUIS, L. Les Principes d'UNIDROIT:synthèse et perspective Les Principes d'UNIDROIT et les contrats internationaux: aspects pratiques, in Revue Juridique Thémis, vol. 36, no.2 (2002), pp.539-559
MARRELLA, F. Autonomia privata e contratti internazionali Contratto e impresa / Europa 2003, 823-867
MARTINEZ CAZON S.N. A Practitioner's View of the Applicability of the UNIDROIT Principles of International Commercial Contracts in Interpreting International Uniform Laws (paper presented at the Bi-annual 25th Conference of the International Bar Association held in Melbourne on 9-14 October 1994)
MATHER H. Choice of law for international sales issues not reseolved by the CISG Journal of Law and Commerce, 20 (2001) spring, 155-208
MAYER, P. Principes UNIDROIT et LEX MERCATORIA F.FOUCHARD - L.VOGEL (eds.)L'actualité de la pensée de Berthold Goldmann , L.G.D.J., 2003, pp.31 - 36
MELÉNDEZ M.A.P. Preámbulo Comentario a los Principios de UNIDROIT para los Contratos del Comercio International, Aranzadi, Pamplona 1999, 21-48,
MEYER, O. The UNIDROIT Principles and their impact on European private law – some comments on the opinion (31 January 2002) of Advocat General l.A.Geelhoed, Court of Justice of the European Communities in case C-334/00 – Tacconi Uniform Law Review/Revue de droit uniforme, 7 (2002), 1222-1227.
MEYER, O. Principles of Contract Law und nationales Vertragsrecht. Chancen und Wege für eine Internationalisierung der rechtsanwendung Nomos 2007, pp. 3-373
MICHAELS R. Privatautonomie und Privatkodification. Zu Anwendbarkeit und Geltung allgemeiner Vertragsrechtsprinzipien 62 RabelsZeitschrift, 1998, 580-626
MICHAELS, R. Comment to Preamble:Purposes of the PICC, pp.21-80 in S.VOGENAUER - J.KLEINHEISTERKAMP, Commentary on the UNIDROIT Principles of International Commercial Contracts (PICC),Oxford University Press, New York, 2009
MICHAELS, R. Umdenken für die UNIDROIT Prinzipien - Vom Rechtswahlstatut zum Allgemeinen Teil des transnationalen Vertragsrecht RabelsZeitschrift für ausländisches und international Privat 2009, pp.866-887
MICHAELS, R. Comment to Preamble: Purposes, Legal Nature, and Scope of the PICC; Applicability by Courts; Use of the PICC for the Purpose of Interpretation and Supplementation and as a Model in S.VOGENAUER (ed.), Commentary on the UNIDROIT Principles of International Commercial Contracts (PICC), 2nd ed., Oxford University Press, Oxford, 2015, 31-109.
MOURRE, A. - JOLIVET, E. La réception des Principes d'UNIDROIT dans les contrats modèles de la Chambre de commerce international [abstract in English] Uniform Law Review, 2004, 275-293
MUSTILL M.J. The Use of the UNIDROIT Principles by National and Supranational Courts (paper presented at the international colloquium on "UNIDROIT Prin-ciples of International Commercial Contracts: A New Lex Mercatoria?", organized by the Institute of International Business Law and Practice of the ICC in Paris, on 20-21 October 1994)
NGUYEN, M. H. Les Principes UNIDROIT: Jurisprudence et expériences pour le Vietnam Revue de droit des affaires international 2005, p. 619 et seq.
NGUYEN, M. H. Les Principes UNIDROIT: Jurisprudence et expériences pour le Vietnam Revue de droit des affaires internationales/International Business Law, no. 5/2005, pp. 619-636
OLAVO BAPTISTA L. The UNIDROIT Principles for International Commercial Law Project: Aspects of International Private Law 69 Tulane Law Review, 1995, 1209-1224
OLAVO BAPTISTA L. Os "Projeto de Princìpios para Contractos comerciais internacionais" da UNIDROIT, Aspectos de direito internacional privado Bonell M.J. / Schipani S. (eds.), "Principi per i contratti commerciali internazionali" e il sistema giuridico latinoamericano, Cedam, Padova 1996, 23-33
OLAVO BAPTISTA L. The UNIDROIT Principles - a possible model for the harmonisation of international contract law in the context of the regional integration of the Americas, with special reference to MERCOSUR UNIDROIT (ed.), The UNIDROIT Principles: a Common Law of Contracts for the Americas?, 1998, 119-135
ONNANA ETOUNDI, F, Les Principes d'UNIDROIT et la sécurité juridique des transactions commerciales dans l'avant-projet d'Acte uniforme OHADA sur le droit des contrats Uniform Law Review 2005, pp. 683 - 716
OPERTTI BADÁN D. El estado actual del tratamiento jurídico de los contratos internacionales en el continente americano UNIDROIT (ed.), The UNIDROIT Principles: a Common Law of Contracts for the Americas?, 1998, 29-75
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OVIEDO ALBÁN, J. UNIDROIT Principles as rules applicable to international contracts: With regard to the Colombian Supreme Court of Justice’s ruling on 21 February 2012 Uniform Law Review = Revue de droit uniforme, vol. 19 n. 1 (2014), pp. 106-113
PARRA-ARANGUREN G. Aspectos de Derecho Internacional Privado de los Principios para los contratos mercantiles internacionales elaborados por el UNIDROIT Revista de la Facultad de Ciencias Jurìdicas y Polìticas de la Universidad Central de Venezuela, 1994, 167-180
PARRA-ARANGUREN G. Conflict of Law Aspects of the UNIDROIT Principles of International Commercial Contracts 69 Tulane Law Review, n. 5, 1995, 1239-1252
PARRA-ARANGUREN G. El proyeto de "Principios" de UNIDROIT: Aspectos de derecho internacional privado Bonell M.J. / Schipani S. (eds.), "Principi per i contratti commerciali internazionali" e il sistema giuridico latinoamericano, Cedam, Padova 1996, 35-43
PELEGGI, R., L’applicazione dei Principi UNIDROIT en voie directe alla luce di un recente lodo della Corte Arbitrale della Camera di Commercio Internazionale Diritto del commercio internazionale, 2004, pp. 483 – 507.
PERALES VISCASILLAS P. UNIDROIT Principles of International Commercial Contracts: Sphere of Application and General Provisions 13 Arizona Journal of International and Comparative Law, 1996, 383-441
PERALES VISCASILLAS P. El derecho uniforme del Comercio Internacional: los Principios de Unidroit (Ámbito de aplicación y Disposiciones Generales) Revista de derecho mercantil, 1997, 221-297
PERALES VISCASILLAS, P. Los Principios de UNIDROIT como objeto y como instrumento de interpretación UNIDROIT (ed.), The UNIDROIT Principles: a Common Law of Contracts for the Americas?, 1998, 303-309
PERALES VISCASILLAS, P. Los Principios de UNIDROIT y CISG: su mutua interacción Comentarios a los principios sobre los Contratos Comerciales Internacionales del Unidroit, Universidad Nacional Autónoma de México, 1998, 187-208
PERALES VISCASILLAS, P. The Role of the UNIDROIT Principles and the PECL in the Interpretation and Gap-filling of CISG. JANSSEN, A/MEYER, O. (eds.), CISG Methodology. Sellier - European Law Publishers, Munich, 2009
PERALES VISCASILLAS, P. La aplicaciòn jurisprudencial en Espana de la Convenciçn de Viena de 1980 sobre compravendita internacional, los Principios de UNIDROIT y los Principios del derecho contractual europeo: De la mera referencia a la integraciòn de lagunas La Ley, 31 May 2007, pp.1 - 7
PEREZNIETO CASTRO L. Los Principios de UNIDROIT y la Convención Interamericana sobre el Derecho Aplicable a los Contratos Comentarios a los principios sobre los Contratos Comerciales Internacionales del Unidroit, Universidad Nacional Autónoma de México, 1998, 209-216
PIERS M., ERAUW J. Application of the Unidroit Principles of International Commercial Contracts in Arbitration Journal of Private International Law, vol.8, no.3, 2012, pp. 441-472.
PRUJINER, A. Comme utiliser les Principes d'UNIDROIT dans la pratique contractuelle Les Principes d'UNIDROIT et les contrats internationaux: aspects pratiques, in Revue Juridique Thémis, vol. 36, no.2 (2002), pp.561-582
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