(a) The claimant shall present any evidence in the claimant's possession that supports the claim. This evidence shall include, if available, statements of witnesses, accident or casualty reports, photographs and drawings.

(b) Notwithstanding anything in the regulations in this subpart, the claimant shall provide such additional reasonable documents and evidence as requested by the Maritime Administration with respect to the claim. Failure to respond to reasonable requests for additional information and documentation can result in a determination that a valid claim has not been submitted.