issuerNns property

String get issuerNns

Extracts the Issuer's National Numbering System (NNS) from the Primary Account Number (PAN).

The NNS is represented by the first 8 characters of the PAN. It is commonly used to identify the financial institution or issuer of the PAN.

Parameters:

• pan: A string representing the Primary Account Number (PAN).

Returns:

• A string containing the Issuer's NNS if the PAN is not null and has at least 8 characters.
• Returns null if the PAN is null or shorter than 8 characters.

Implementation

String get issuerNns {
  if (pan.isNotEmpty && pan.length >= 8) {
    return pan.substring(0, 8);
  }
  return '';
}