(a) If the licensee is less than twenty-one (21) years of age, the license shall bear the words and numbers “Under 21 Driver License,” in addition to other secure features identifying the licensee as being under twenty-one (21) years of age.
(b) Upon attaining the age of twenty-one (21) years, any licensee may obtain a license without the letters, words and numbers required above by paying the fee for a duplicate license. However, no person shall be required to obtain the duplicate license, until the license expires.