institutionCode property

String? get institutionCode

Retrieves the National Institution Code derived from the Issuer's NNS.

The National Institution Code is represented by the 5th to 8th digits of the NNS. If the NNS is unavailable, a default value of '0000' is returned.

Returns:

  • The institution code as a string, or '0000' if the NNS is not available.

Implementation

String? get institutionCode {
  final nns = issuerNns;
  return (nns.isNotEmpty && nns.length >= 8) ? nns.substring(4, 8) : '0000';
}