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c. the courier company must ensure that the consignment shall be
delivered to the recipient prior to a specific time and date within a 24-
hour period under regular circumstances.
d. the courier company may charge a commissioner or sub-contractor.
However, the responsibility for fulfilling the above requirements must
remain with the courier company.
3. Classified Information at the UK RESTRICTED/DIFUSIÓN LIMITADA
level shall be transmitted between the Parties in accordance with the national
regulations of the Originating Party, which may include the use of private courier
companies.
4. Classified Information at the UK CONFIDENTIAL/CONFIDENCIAL and
UK SECRET/RESERVADO levels must not be transmitted electronically in clear
text. Only cryptographic systems approved by the NSAs/DSAs concerned shall be
used for the encryption of Classified Information at the UK
CONFIDENTIAL/CONFIDENCIAL and UK SECRET/RESERVADO levels,
irrespective of the method of transmission. Classified Information at the UK
RESTRICTED/ DIFUSIÓN LIMITADA level may be transmitted or accessed
electronically (e.g. by means of point-to-point computer links) via a public network
like the Internet, only using government or commercial encryption devices
mutually accepted by the competent national authorities. However, telephone
conversations, video conferencing or facsimile transmissions containing Classified
Information at the UK RESTRICTED/ DIFUSIÓN LIMITADA level may be in
clear text, if an approved encryption system is not available.
5. Where large volumes of Classified Information are to be transmitted, the
means of transport, the route and the escort (if any) shall be jointly determined on a
case-by-case basis by the competent authorities of the Parties.
A
RTICLE
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Visits
1. Each Party, based on a mutual interest, shall permit visits involving access to
Classified Information to its Facilities, by civilian or military representatives of the
other Party or by their contractor employees, provided that the visitor has an
appropriate Personal Security Clearance and a need-to-know.
2. All visiting personnel shall comply with the security regulations of the host
Party. Any Classified Information disclosed or made available to visitors shall be
treated as if supplied to the Party sponsoring the visiting personnel, and shall be
protected accordingly.
3. For visits in the context of sharable Classified Information to Government
establishments of the other Party or to Facilities of a Contractor where access to