Cal. Code Regs. tit. 14, § 15179
(a) The certified Master EIR shall not be used for a subsequent project described in the Master EIR in accordance with this article if either:
(b) A Master EIR that was certified more than five years prior to the filing of an application for a subsequent project described in the Master EIR may be used in accordance with this article to review such a subsequent project if the lead agency reviews the adequacy of the Master EIR and takes either of the following steps:
(2) Prepares an initial study and, pursuant to the findings of the initial study, does either (A) or (B) below:
(A) certifies subsequent or supplemental EIR that updates or revises the Master EIR and which either:
Note: Authority cited: Section 21083, Public Resources Code. Reference: Section 21157.6, Public Resources Code.
1. New section filed 5-27-97; operative 5-27-97 pursuant to Government Code section 11343.4(d) (Register 97, No. 22).
2. Change without regulatory effect amending Note filed 10-6-2005 pursuant to section 100, title 1, California Code of Regulations (Register 2005, No. 40).
3. Amendment filed 7-27-2007; operative 7-27-2007 pursuant to Public Resources Code section 21083(f) (Register 2007, No. 30).