BCTC IV ASSIGNOR CORP

SEC 10-K Item 1C cybersecurity disclosure for an Assignor Limited Partner externally managed by BFIM (an affiliate of ORIX Corporation USA). The filing describes the cybersecurity governance and risk-management program (NIST CSF-aligned, defense-in-depth, EDR, firewalls, SIEM, tabletop exercises) provided by ORIX USA. The filer states that cybersecurity threats and any previous incidents have not had a material impact and are not anticipated to significantly affect the registrant. No specific breach incident is disclosed.