Label on page 4 is included as a means to inscribe annotations about previous passport number, parents' names, travel consent for Brazilian minors and any other relevant information for the Brazilian authorities. Substrate security: Hi-Lights and Starlights. Printing techniques: Offset lithography (yellow, purple, brown, green), Intaglio (blue), Laser/toner (CMYK). Security features: ESP, OVI, latent image.