... 18. A
witness,
expert or other
person who
consents to give
evidence in a
proceeding or to assist in an
investigation,
prosecution or
judicial proceeding in the
territory of the requesting
Party, shall not be
prosecuted,
detained, punished or subjected to any other
restriction of his
personal liberty in that
territory in
respect of
acts,
omissions or
convictions prior to his
departure from the
territory of the requested
Party. Such
safe conduct shall cease when the
witness,
expert or other
person having had, for a
period of fifteen consecutive
days, or for any
period agreed upon by the
Parties, from the
date on which he has been officially informed that his
presence is no longer required by the
judicial authorities, an
opportunity of leaving, has nevertheless remained voluntarily in the
territory or, having left it, has
returned of his own
free will. ...
... 18. A
witness,
expert or other
person who
consents to give
evidence in a
proceeding or to assist in an
investigation,
prosecution or
judicial proceeding in the
territory of the requesting
Party, shall not be
prosecuted,
detained, punished or subjected to any other
restriction of his
personal liberty in that
territory in
respect of
acts,
omissions or
convictions prior to his
departure from the
territory of the requested
Party. Such
safe conduct shall cease when the
witness,
expert or other
person having had, for a
period of fifteen consecutive
days, or for any
period agreed upon by the
Parties, from the
date on which he has been officially informed that his
presence is no longer required by the
judicial authorities, an
opportunity of leaving, has nevertheless remained voluntarily in the
territory or, having left it, has
returned of his own
free will. ...