3) On execution or otherwise by authority of law; 4) Sales of stocks, shares investment securities. Negotiable instruments(可流 通票据) or money; 5) Ships, vessels, hovercraft or aircraft, however it has not been interpreted to mean that it does not apply to such goods components; 6) Sale of electricity.
(3) Part III contains the substantive rules for the sales contract (obligations and rights of the parties); (4) Part IV contains the final clauses of the Convention concerning such matters as how and when it comes into force, the reservations and declarations that are permitted and the application of the Convention to international sales where both States concerned have the same or similar law on the subject.
3. Applicability(适用范围) of the CISG
(1) Direct application. Through Article 1(1) (a), the CISG applies when both parties to the contract of sale have their places of business in different states that are both contracting states.