s 4
The declaration made under paragraph 2 shall be addressed to the adverse Party and shall define and describe, as precisely as possible, the limits of the non-defended locality. The Party to the conflict to which the declaration is addressed shall acknowledge its receipt and shall treat the locality as a non-defended locality unless the conditions laid down in paragraph 2 are not in fact fulfilled, in which event it shall immediately so inform the Party making the declaration. Even if the conditions laid down in paragraph 2 are not fulfilled, the locality shall continue to enjoy the protection provided by the other provisions of this Protocol and the other rules of international law applicable in armed conflict.