During the continuance of a trusteeship, the labor organization
which has assumed trusteeship over a subordinate labor organization,
shall file with the Office of Labor-Management Standards on behalf of
the subordinate labor organization the annual financial report required
by part 403 of this chapter, signed by the president and treasurer or
corresponding principal officers of the labor organization which has
assumed such trusteeship, and the trustees of the subordinate labor
organization on Form LM-2, together with one true copy thereof.