Modifies 42 U.S.C. 4020 by replacing subsection (a) and adding new subsections (b) through (f) that establish a Data Exchange Program authorizing disclosure of specified flood policy and claims information to insurance companies that enter into data sharing agreements, provide property-level access to certain flood insurance information for purchasers/lessees/current owners, treat such disclosures as a routine use under the Privacy Act, authorize charging fees to participating insurers with deposit of fees into the National Flood Insurance Fund, and add definitions for terms used in the section.