Section 97.219 - Message forwarding system(a) Any amateur station may participate in a message forwarding system, subject to the privileges of the class of operator license held.(b) For stations participating in a message forwarding system, the control operator of the station originating a message is primarily accountable for any violation of the rules in this part contained in the message.(c) Except as noted in (d) of this section, for stations participating in a message forwarding system, the control operators of forwarding stations that retransmit inadvertently communications that violate the rules in this part are not accountable for the violative communications. They are, however, responsible for discontinuing such communications once they become aware of their presence.(d) For stations participating in a message forwarding system, the control operator of the first forwarding station must: (1) Authenticate the identity of the station from which it accepts communications on behalf of the system; or(2) Accept accountability for any violation of the rules in this part contained in messages it retransmits to the system.59 FR 18975, Apr. 21, 1994