Any charge pursuant to section
269b.110 shall be in writing and signed. An original and three copies
of such charge, together with one copy for each charged party named,
shall be transmitted to the Secretary of the Federal Reserve System Labor
Relations Panel, 20th Street and Constitution Avenue, N.W., Washington,
D.C. 20551. Within five days after receipt of a properly filed charge
that meets the formal requirements set forth in section 269b.112,
the secretary will cause a copy of such charge to be served on each
party against whom the charge is made and upon all other potential
parties in interest.