Cal. Revenue and Taxation Code - RTC § 45451. Section 45451.
(a)
If any person fails to pay any amount imposed pursuant to this part at the time that it becomes due and payable, the amount thereof, including penalties and interest, together with any costs in addition thereto, shall thereupon be a perfected and enforceable state tax lien. A lien is subject to Chapter 14 (commencing with Section 7150) of Division 7 of Title 1 of the Government Code.
(b)
For the purpose of this section, amounts are due and payable on the following
dates:
(1)
For amounts disclosed on a report received by the board before the date the return is delinquent, the date the amount would have been due and payable.
(2)
For amounts disclosed on a report filed on or after the date the return is delinquent, the date the return is received by the board or the year following the fee due date pursuant to Section 45151, whichever is later.
(3)
For amounts determined under Section 45351, pertaining to jeopardy assessments, the date the notice of the board’s finding is mailed or issued.
(4)
For all other amounts, the date the assessment is final.