(1) Anyone who receives authentic information of the project or
carrying out of a crime punishable in accordance with sections 8 to 12
at a time when the carrying out or the success can still be averted and
omits to give the authorities or person threatened due warning will be
punished with the death penalty, and/or in less serious cases with hard
labor for life or for a certain period of time or imprisonment.
(2) If the person upon whom it is incumbent to give warning, and
who omits to do so is a relative of the perpetrator punishment can
be waived if he has earnestly tried to restrain his relative from
committing the act or to prevent its success.