Singapore legislation
Regulation 8
of Pingat Pentadbiran Awam (The Public Administration Medal) Rules 1996
Regulation 8
Subregulation 1
Subject to paragraph (2), where a person to whom a Medal of a particular grade has been previously awarded performs any special act or service deserving the award of a Medal of that grade but not of a higher grade, the person may be presented with a Bar to that medal of that grade.
Subregulation 2
A person to whom a Medal of a particular grade has been previously awarded may be awarded not more than one Bar to the Medal of that grade.
Subregulation 3
A Bar to any Medal of any grade shall be silver-gilt and shall be attached to the ribbon by which the Medal is suspended.