To amend chapter 11 of title 31, United States Code, to require the Director of the Office of Management and Budget to annually submit to Congress a report on all disaster-related assistance provided by the Federal Government.

Disclosing Aid Spent to Ensure Relief Act or the DISASTER Act - Requires the Director of the Office of Management and Budget (OMB) to submit annually to Congress a report on all disaster-related assistance provided by the federal government. Requires the report to include all federal obligations related to disaster response, recovery, mitigation efforts, and administrative costs associated with these activities for specified agencies and programs.