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15164. ADDENDUM TO AN EIR OR NEGATIVE DECLARATION

CEQA Statute and Guidelines (2025 consolidated text) · 2026 edition · updated 2026-10-05 · California

  • (a) The lead agency or responsible agency shall prepare an addendum to a previously certified EIR if some changes or additions are necessary but none of the conditions described in Section 15162 calling for preparation of a subsequent EIR have occurred.

  • (b) An addendum to an adopted negative declaration may be prepared if only minor technical changes or additions are necessary or none of the conditions described in Section 15162 calling for the preparation of a subsequent EIR or negative declaration have occurred.

  • (c) An addendum need not be circulated for public review but can be included in or attached to the final EIR or adopted negative declaration.

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CEQA Guidelines

Association of Environmental Professionals 2025

  • (d) The decision making body shall consider the addendum with the final EIR or adopted negative declaration prior to making a decision on the project.

  • (e) A brief explanation of the decision not to prepare a subsequent EIR pursuant to Section 15162 should be included in an addendum to an EIR, the lead agency‘s findings on the project, or elsewhere in the record. The explanation must be supported by substantial evidence.

Note: Authority cited: Section 21083, Public Resources Code; Reference: Section 21166, Public Resources Code; Bowman v. City of Petaluma (1986) 185 Cal.App.3d 1065; and Benton v. Board of Supervisors (1991) 226 Cal.App.3d 1467.

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