Appropriates funds for catastrophic flood relief.

Designates the office of financial management as the nonfederal sponsor of United States army corps of engineers flood hazard mitigation projects for the Chehalis river basin area, including the project authorized by the water resources development act of 2007 and projects to be developed under the basin-wide study authorized by United States house resolution 2581, if such projects are mutually agreed to between the federal government, the office of financial management, and the Chehalis basin flood control authority or other authorized local government group.

Prohibits the office of financial management from allotting funds for construction of flood hazard mitigation projects for the Chehalis river basin until a project agreement between nonfederal project partners has been signed and copies have been provided to the governor, the majority and minority leaders of the senate, and the speaker and minority leader of the house of representatives.