Artikel 19

1. All communications under Articles 4 to 16 shall be made in writing. Modern means of telecommunications, such as telefax, may be used.
2. Subject to the provisions of paragraph 3 of this article, translations of the requests, other communications and supporting documents shall not be required.
3. At the time of signature or when depositing its instrument of ratification, acceptance, approval or accession, any Party may communicate to the Secretary General of the Council of Europe a declaration that it reserves the right to require that requests, other communications and supporting documents sent to it, be made in or accompanied by a translation into its own language or into one of the official languages of the Council of Europe or into such one of these languages as it shall indicate. It may on that occasion declare its readiness to accept translations in any other language as it may specify. The other Parties may apply the reciprocity rule.