This chapter applies to the imposition of penalties and sanctions by the courts on persons who were less than 21 years of age at the time of the commission of the driving while under the influence offenses described in Chapter 12 (commencing with Section 23100) of Division 11.

(Added by Stats. 1998, Ch. 118, Sec. 84. Effective January 1, 1999. Section operative July 1, 1999, pursuant to Section 23675.)