Article 24
1. This Protocol shall enter into force on the ninetieth day after
the date on which not less than 55 Parties to the Convention,
incorporating Parties included in Annex I which accounted in total
for at least 55 per cent of the total carbon dioxide emissions for
1990 of the Parties included in Annex I, have deposited their
instruments of ratification, acceptance, approval or
accession.
2. For the purposes of this Article, "the total carbon dioxide
emissions for 1990 of the Parties included in Annex I" means the
amount communicated on or before the date of adoption of this
Protocol by the Parties included in Annex I in their first national
communications submitted in accordance with Article 12 of the
Convention.
3. For each State or regional economic integration organization
that ratifies, accepts or
approves this Protocol or accedes thereto after the conditions set
out in paragraph 1 above for the entry into force have been
fulfilled, this Protocol shall enter into force on the ninetieth day
following the date of deposit of its instrument of ratification,
acceptance, approval or accession.
4. For the purposes of this Article, any instrument deposited by a
regional economic
integration organization shall not be counted as additional to
those deposited by States members of the organization.