Insert
An additional element of a book block in the form of a separate sheet with numbered or unnumbered pages attached to the main block. Material and method of fixing an insert may differ from typical pages of a book block. One book block can contain more than one insert. The insert can be printed separately.
Types of inserts in travel documents:
- multilayer integrated card with holder’s data;
- multilayer polycarbonate sheet with an RFID chip;
- paper sheet with or without lamination;
- transparent polycarbonate sheet with a verification filter for visualizing a latent scrambled image.
![Montenegro. Diplomatic passport issued in 2008. Insert in the form of a multilayer integrated polycarbonate card. Unnumbered but included in the total number of pages in the book block (marked with an arrow)](https://static-content.regulaforensics.com/Hardware-products/knowledge_hub/glossary_documents/INSERT/1l.webp)
Fig. 1. Montenegro. Diplomatic passport issued in 2008. Insert in the form of a multilayer integrated polycarbonate card. Unnumbered but included in the total number of pages in the book block (marked with an arrow)
![Japan. Passport issued in 2006. Multilayer polycarbonate insert with an RFID chip. Unnumbered, not included in the total number of pages in the book block](https://static-content.regulaforensics.com/Hardware-products/knowledge_hub/glossary_documents/INSERT/2l.webp)
Fig. 2. Japan. Passport issued in 2006. Multilayer polycarbonate insert with an RFID chip. Unnumbered, not included in the total number of pages in the book block
![Australia. Passport issued in 2009. Two paper inserts between the front endpaper and page 1. Unnumbered, not included in the total number of pages in the book block (one insert is marked with an arrow)](https://static-content.regulaforensics.com/Hardware-products/knowledge_hub/glossary_documents/INSERT/3l.webp)
Fig. 3. Australia. Passport issued in 2009. Two paper inserts between the front endpaper and page 1. Unnumbered, not included in the total number of pages in the book block (one insert is marked with an arrow)
![Belgium. Travel document (Convention of 28 September 1954) issued in 2008. Transparent polycarbonate insert with a verification filter for visualizing a latent scrambled image. The insert is marked with an arrow](https://static-content.regulaforensics.com/Hardware-products/knowledge_hub/glossary_documents/INSERT/4l.webp)
Fig. 4. Belgium. Travel document (Convention of 28 September 1954) issued in 2008. Transparent polycarbonate insert with a verification filter for visualizing a latent scrambled image. The insert is marked with an arrow