Article 88

If any State makes a reservation to these Regulations, such reservation shall not be valid unless it is accepted by the World Health Assembly, and these Regulations shall not enter into force with respect to that State until such reservation has been accepted by the Assembly or, if the Assembly objects to it on the ground that it substantially detracts from the character and purpose of these Regulations, until it has been withdrawn.

A rejection in part of these Regulations shall be considered as a reservation.

The World Health Assembly may, as a condition of its acceptance of a reservation, request the State making such reservation to undertake that it will continue to fulfil any obligation or obligations corresponding to the subject-matter of such reservation, which such State has previously accepted under the existing conventions, regulations and similar agreements listed in Article 99.

If a State makes a reservation which in the opinion of the World Health Assembly detracts to an insubstantial extent from an obligation or obligations previously accepted by that State under the existing conventions, regulations and similar agreements listed in Article 99 the Assembly may accept such reservation without requiring as a condition of its acceptance an undertaking of the kind referred to in paragraph 3 of this Article.

If the World Health Assembly objects to a reservation, and that reservation is not then withdrawn, these Regulations shall not enter into force with respect to the State which has made such a reservation. Any existing conventions, regulations and similar agreements listed in Article 99 to which such State is already a party consequently remain in force as far as such State is concerned.