In the case of any individual who would be entitled to benefits under subsection (d), (e), (g), or (h) of this section upon filing proper application therefor, the filing with the Administrator of Veterans’ Affairs by or on behalf of such individual of an application for such benefits, on the form described in section
5105 of title
38, shall satisfy the requirement of such subsection (d), (e), (g), or (h) that an application for such benefits be filed.