California Welfare And Institutions Code — Services For The Developmentally Disabled — Title And Intent — Title of act Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session This division shall be known and may be cited as the Lanterman Developmental Disabilities Services Act. Ca. Welf. and Inst. Code § 4500 Chapter heading amended by Stats 2014 ch 178 (AB 1687),s 1, eff. 1/1/2015.