When execution shall be issued in any county, and directed to an officer of another county, it shall be lawful for such officer having the execution, after having discharged all the duties required of him by law to transmit such execution by mail to the clerk who issued the same. On proof being made by such officer that the execution was mailed soon enough to have reached such clerk within the time prescribed by law, the officer shall not be liable for any amercement or penalty, if it does not reach the office in due time.
SDCL 15-18-43