(a) Filing. All documents submitted to the Secretary shall be filed
with the Secretary of Labor, U.S. Department of Labor, Washington, DC
20210.
(b) Number of copies. An original and two copies of all documents
shall be filed.
(c) Computation of time for delivery by mail. Documents are not
deemed filed with the Secretary until actually received by that office.
All documents, including documents filed by mail, must be received by
the Secretary either on or before the due date.
(d) Manner and proof of service. A copy of all documents filed with
the Secretary shall be served upon all other parties involved in the
proceeding. Service under this section shall be by personal delivery or
by mail. Service by mail is deemed effected at the time of mailing to
the last known address.
[54 FR 13330, Mar. 31, 1989]