When an application on any document indicating an intent to apply for survivor benefits is filed with either the Secretary or the Commissioner of Social Security, it shall be deemed to be an application for benefits under both chapter 13 of this title and title II of the Social Security Act (
42 U.S.C. 401 et seq.). A copy of each such application filed with either the Secretary or the Commissioner, together with any additional information and supporting documents (or certifications thereof) which may have been received by the Secretary or the Commissioner with such application, and which may be needed by the other official in connection therewith, shall be transmitted by the Secretary or the Commissioner receiving the application to the other official. The preceding sentence shall not prevent the Secretary and the Commissioner of Social Security from requesting the applicant, or any other individual, to furnish such additional information as may be necessary for purposes of chapter 13 of this title and title II of the Social Security Act (
42 U.S.C. 401 et seq.), respectively.