ANNEX I CRequirements for construction, testing, installation, and inspection
5.INSTALLATION OF RECORDING EQUIPMENT
5.3Sealing
(401)Seals shall hold an identification number, allocated by its manufacturer. This number shall be unique and distinct from any other seal number allocated by any other seals manufacturer.
F1This unique identification number is defined as: MMNNNNNNNN by non-removable marking, with MM as unique manufacturer identification (database registration to be managed by EC) and NNNNNNNN seal alpha-numeric number, unique in the manufacturer domain.