Art. 3 CISG
(1) Contracts for the supply of goods to be manufactured or produced are to be considered sales unless the party who orders the goods undertakes to supply a substantial part of the materials necessary for such manufacture or production.
(2) This Convention does not apply to contracts in which the preponderant part of the obligations of the party who furnishes the goods consists in the supply of labour or other services.
The Secretariat Commentary on Art. 3 of the 1978 New York Draft, predecessor to Art. 3 CISG, gives insight into the drafters' unterstanding on the eve of the 1980 Vienna Diplomatic Conference.
CISG-AC Opinion regarding Art. 3 CISG
CISG-AC Opinion No. 4 ‘Contracts for the Sale of Goods to be Manufactured or Produced and Mixed Contracts (Article 3 CISG)’ (Rapporteur: Pilar Perales Viscasillas), adopted by the CISG Advisory Council at its 7th meeting in Madrid (Spain) on 24 October 2004
Overview of case law on Art. 3 CISG: UNCITRAL Digest
The UNCITRAL Digest on the CISG can be used as a starting point to discover the relevant case law on this article.