3. This Convention applies only to assignments if the contract of assignment is concluded on or after the date when this Convention enters into force in respect of the Contracting State referred to in article 1, paragraph 1 (a), provided that the provisions of this Convention that deal with the rights and obligations of the debtor apply only to assignments of receivables arising from original contracts concluded on or after the date when this Convention enters into force in respect of the Contracting State referred to in article 1, paragraph 3.
3. 本公约只适用于在本公约对第1条第1款(a)所述缔约国生效之日或之后订立转让合同的转让，但条件是本公约中涉及债务人权利和义务的规定只适用于在本公约对第1条第3款所述缔约国生效之日或之后订立的原始合同所产生的应收款的转让。