Arthashastra
कलहे पराजित पक्षं परत्र अपगमने यात्रा साहाय्य दाने वा भर्तुर् योजयेयुः ॥
In the affray that ensues they should prevail upon the defeated party to migrate elsewhere or to proceed to help the master (of the spies) in the invasion undertaken by the latter.
english translation
kalahe parAjita pakSaM paratra apagamane yAtrA sAhAyya dAne vA bhartur yojayeyuH ॥
hk transliteration by Sanscript