(a) If the claimant's official duty station is at the Department's national office in Washington, DC, or if the claim is for an amount in excess of $25,000, the claim should be filed with the Counsel for Claims and Compensation, Office of the Solicitor of Labor, U.S. Department of Labor, Suite S4325, 200 Constitution Avenue NW., Washington, DC, 20210.

(b) In all other cases, the claimant shall address the claim to the regional or branch office of the Office of the Solicitor servicing the claimant's official duty station.