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Machine Readable Travel Documents - ICAO

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III-2 <strong>Machine</strong> <strong>Readable</strong> <strong>Travel</strong> <strong>Documents</strong><br />

than the area of the MRtd, this document recommends (in Appendix 2 to Section III) preferred locations for two<br />

of the three types of feature. States are therefore free to select none or one or more machine verifiable features<br />

to assist in document verification but such feature(s) will be for their own or agreed bilateral use.<br />

3.1 Substance features. A substance feature involves the incorporation into the MRtd of a material<br />

which would not normally be present and is not obviously present on visual inspection. The presence of the<br />

material may be detected by the presence and magnitude of a suitable property of the added substance.<br />

Appendix 2 to this Section provides details of some available substances.<br />

3.2 Structure features. A structure feature involves the incorporation of a measurable structure into or<br />

onto the MRtd data page. The presence of the structure may be detected and measured by the detection<br />

machine. Appendix 2 gives details of some currently available structures.<br />

3.3 Data features. A data feature involves the incorporation of encoded information into the document<br />

data or image structure, usually into the personalization data, especially the portrait. The term steganography,<br />

in this context, describes a special class of data features typically taking the form of digital information which is<br />

concealed within an image, usually either the personalization portrait or the background security printing. The<br />

concealed image may be made visible by the use of a suitable device which could be built into a document<br />

reader. The concealed image may contain data such as the holder’s name or document number which may be<br />

read by the immigration officer using the detector. In more complex forms the amount of stored data can be<br />

significant, and this can be verified by electronic comparison with data stored in the contactless integrated<br />

circuit. Appendix 2 gives details of some currently available techniques.<br />

Security of MRtd production and issuance facilities<br />

4. The State issuing the MRtd shall ensure that the premises in which the MRtd is printed, bound,<br />

personalized and issued are appropriately secure and that staff employed therein have an appropriate security<br />

clearance. Appropriate security shall also be provided for MRtds in transit between facilities and from the facility<br />

to the MRtd’s holder. Appendix 3 to this Section provides recommendations as to how these requirements can<br />

be met.<br />

Provision of information on newly issued MRtds<br />

5. It is recommended that a State launching a new design of MRtd inform all other States of the details<br />

of the new MRtd including evident security features, preferably providing personalized specimens for use as<br />

a reference by the receiving State’s department which is responsible for verifying the authenticity of such<br />

documents. The distribution of such specimens should be made to established contact points agreed by the<br />

receiving States.<br />

Provision of information on lost and stolen MRtds<br />

6. States should provide specific information on lost or stolen MRtds, such as the MRtd document<br />

number, to the central database operated by INTERPOL at the appropriate time and according to agreed<br />

procedures. This includes details of any unpersonalized MRtds which may be stolen from a production or<br />

issuance facility or in transit.<br />

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