Cartão Nacional de Identificação (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 and published at Boletim Oficial

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: