Book Number
The Book Number is an identifier used in passports distinct from the primary passport number. While not all countries use a Book Number, those that do include it as an additional measure to track passport booklets.
Distinguishing Passport and Book Number
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Passport Number: A unique identifier for the passport holder. This is the primary number used for travel and visa applications.
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Book Number: Refers to the batch or series of passport booklets and may be the same for multiple individuals if they received their passport from the same batch or series.
Purpose
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Helps in inventory and batch tracking of passport booklets.
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Can assist in validating the authenticity of a passport.
Where to Find
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Often located on the bio-data page of the passport.
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Not present in all passports; if unsure, refer to the passport's guidelines or the issuing authority.
