# Commission Implementing Regulation (EU) 2018/574 of 15 December 2017 on technical standards for the establishment and operation of a traceability system for tobacco products (Text with EEA relevance), Article 11: Structure of aggregated level UIs generated by the ID Issuer

Extent: E+W+S+N.I.

1. For aggregated level UI generated on the basis of a request to the ... ID issuer, the structure of the aggregated level UI shall consist of a sequence of a maximum of 100 alphanumeric characters that is unique to a given aggregated package and shall be composed of the following data elements:
(a) in the first position, the alphanumeric characters that constitute the ID issuer identification code assigned under Article 3(4);
(b) an alphanumeric sequence, whose probability to be guessed shall be negligible and in any case lower than one in ten thousand (‘serial number’);
(c) the identifier code of the facility (as set out in Article 16) in which the aggregation process took place;
(d) in the last position, the time stamp in the form of a numeric sequence of eight characters, in the format YYMMDDhh, indicating the date and time of aggregation.
2. The ID issuer shall be responsible for the generation of a code consisting of the elements listed in paragraph 1, points (a), (b), and (c).
3. Economic operators shall add the time stamp, referred to in paragraph 1, point (d), to the code generated by the ID issuer pursuant to paragraph 2.
4. The aggregated level UI may be completed by the economic operator with additional information, provided that the maximum character limit set out in paragraph 1 is not exceeded. Any such information may only appear after the data referred to in paragraph 1.

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Source: https://www.legislation.gov.uk/eur/2018/574/article/11 (the official version)
Page: https://openlegislation.uk/eu-regulation-2018-574/article-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.