Cal. Codes » Title Eight. Appellate Rules / Division 1. Rules Relating to the Supreme Court and Courts of Appeal / Chapter 1. General Provisions / Article 1. In General
California Codes

Cal. R. Ct. 8.18 (2026)

Documents violating rules not to be filed

✓ current as of May 2026
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Except as these rules provide otherwise, the reviewing court clerk must not file any record or other document that does not conform to these rules.

Rule 8.18 amended and renumbered effective January 1, 2007; repealed and adopted as rule 46 effective January 1, 2005.

Advisory Committee Comment

The exception in this rule acknowledges that there are different rules that apply to certain nonconforming documents. For example, this rule does not apply to nonconforming or late briefs, which are addressed by rules 8.204(e) and 8.220(a), respectively, or to nonconforming supporting documents accompanying a writ petition under chapter 7, which are addressed by rule 8.486(c)(2).