Reservation – a country’s formal declaration, upon signing or ratifying a treaty, that it becomes party to the treaty conditioned on the modification or amendment of one or more provisions of the treaty as applied in its relations with the other parties to the treaty

reservation:

“The establishment of a limiting condition or qualification; especially, a country’s formal declaration, upon signing or ratifying a treaty, that its willingness to become a party to the treaty is conditioned on the modification or amendment of one more provisions of the treaty as applied in its relations with the other parties to the treaty.”

References:

[1]: All definitions, unless otherwise specified, from Black’s Law Dictionary Deluxe Tenth Edition by Henry Campbell Black, Editor in Chief Bryan A. Garner. ISBN: 978-0-314-61300-4

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