a hologram,
special fibres in the paper which become visible under UV-light,
at least one microprint line (printing visible only with a magnifying glass and not reproduced by photocopying machines),
tactile characters, symbols or patterns,
double numbering: serial number of the Community licence, of the certified copy thereof or of the driver attestation as well as, in each case, the issue number,
a security design background with fine guilloche patterns and rainbow printing.