3. This Convention remains applicable to assignments if the contract of assignment is concluded before the date when the denunciation takes effect 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 remain applicable only to assignments of receivables arising from original contracts concluded before the date when the denunciation takes effect in respect of the Contracting State referred to in article 1, paragraph 3.
3. 本公约仍然适用于在公约的退出对第1条第1款(a)所述缔约国生效之日前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仍适用于在公约的退出对第1条第3款所述缔约国生效之日前订立的原始合同所产生的应收款的转让。