Joint assets are assets or wealth obtained during the marriage. Even though the property was obtained from the husband's work alone, the wife still has the right to joint property. So joint property, whether the property belongs to the husband or wife, has the same rights and obligations regardless of whether it is registered in anyone's name and all legal actions regarding joint property must obtain the approval of both parties. The type of research used is normative legal research. The issues raised are regarding the juridical consequences of the exception of bank secrecy for joint assets following Constitutional Court Decision Number 64/PUU- X/2012. The result of this research is that the issuance of the Decision of the Constitutional Court of the Republic of Indonesia regarding the Judicial Review of Article 40 of the Banking Law has the juridical consequence that banks can disclose customer data for the purposes of civil cases regarding joint assets in divorce cases, so that the form between the bank and the customer contains a clause regarding prohibitions. For banks to disclose customer information, the application still has to follow the results of the Constitutional Court Decision Number 64/PUU-X/2012 because since that decision, Article 40 of the Banking Law has automatically had its contents changed according to the contents of the MKRI decision resulting from the judicial review of the banking law. Amendments to Article 40 paragraph (1) of the Banking Law as stated in Article 14 number 38 of Law Number 4 of 2023 can be submitted as guidelines for disclosing customer data for judicial purposes in civil cases including general courts and religious courts, which include for judicial purposes regarding joint assets in divorce and in order to fulfill the recovery of assets. From the explanation above, legal certainty can be obtained that after the Constitutional Court Decision Number 64/PUU- Joint assets in a divorce case can demand or reveal bank deposit data from their partner.