Android 2019 - 290 Pc, Law section - california legislative information, Found multiple results when searching penal code - pen with '290.' - please select from the list below:. Codes display text - california, 290. (a) sections 290 to 290.024, inclusive, shall be known and may be cited as the sex offender registration act. all references to “the act” in those sections are to the sex offender registration act.. Penal code 290 - failure to register as a sex offender, In order for you to be guilty of failure to register as a sex offender, the prosecutor must be able to prove that you knew you were required to register under pc 290. 14. this makes failing to register as a sex offender under penal code 290(b) different from most crimes..