Select Notes Trust LT 2003-3 (registrant Structured Obligations Corporation) annual Form 10-K for fiscal year ended December 31, 2023. The filing is an asset-backed-securities pass-through trust report; Item 1C (Cybersecurity), Item 1 (Business), Risk Factors, and most other items are marked 'Not Applicable' per CABCO no-action letter. No cybersecurity incident or breach is disclosed.