<P> Using ID Number 8001015009087 as an example, it would read as follows: </P> <P> The ID indicates that a male citizen was born on 1 January 1980; he was the 10th male to be registered (assuming that the first male to be registered on that day would be assigned the sequence number 5000). </P> <P> The checksum digit is calculated using the Luhn algorithm: </P> <Ul> <Li> A = the sum of the digits in the ID number in the odd positions (excluding Z) </Li> <Li> B = the number formed by the concatenation of the digits in the ID number in the even positions </Li> <Li> C = the sum of the digits in (2 * B) </Li> <Li> D = A + C </Li> <Li> Z = 10 - (D mod 10) </Li> </Ul>

Where do i find my national identity number