Cartão Nacional de Identificação (Cape Verde)

National Identity Card
(*Cartão Nacional de Identificação*)
National Identity Card; (Cartão Nacional de Identificação)
Type	Compulsory Identity document
Issued by	Cape Verde

The National Identity Card (Portuguese: Cartão Nacional de Identificação) or CNI is an identity card issued by the Cape Verdean government to its citizens. As defined by Decree-Law No. 19/2014, of March 17 ^[1] and published at Boletim Oficial^[2]

Appearance

The card is of similar size and appearance to a credit card. It contains a variety of information about the citizen.

Information provided

The front of the card

Surname(s)
Given Name(s)
Sex
Height
Nationality
Date of birth
Civil Identification Number
Expiry Date
Card holder's facial photo
Card holder's Signature

The back of the card

Filiation
Machine-readable zone (MRZ) as Machine readable passport

On the chip

Same data as previous defined (except facial photo)
Facial photo in JPEG2000 format
Two Digital finger print
Digital certificates (card's authentication and electronic signature) 2048bits RSA
And other information (the system is expandable)

Civil Identification Number

Each Civil Identification Number is a 13 digit number defined as YYYYMMDDSAAAC, which deciphers as follows:

Field	Description
YYYYMMDD	Date of birth: YYYY is four digit year, MM is two digit for month, DD is a two digit for day
S	Sex: F = Female, M = Male.
AAA	Sequential number: three digit (up to 999 people born on the same day for each sex)
C	Check digit used to validate the ID Number.

References

^ "Decreto-Lei nº 19/2014, de 17 de Março" [Decree-Law No. 19/2014, of 17 March] (PDF). SNIAC (in Portuguese). 17 April 2014. Retrieved 23 April 2021.
^ "Boletim Oficial(B.O) nº 19, I Serie, de 17 de Março de 2014, da Republica de Cabo Verde" [Official Bulletin (B.O) nº 19, I Serie, of 17 March 2014, of the Republic of Cape Verde]. Imprensa Nacional de Cabo Verde (INCV) (in Portuguese). 17 April 2014. Retrieved 23 April 2021.