Cal. Civ. Code § 9-212
Evidence of service. When such demand is made or notice served by an officer authorized to serve process, the officer's return is prima facie evidence of the facts therein stated, and if such demand is made or notice served by any person not an officer, the return may be sworn to by the person serving the same, and is then prima facie evidence of the facts therein stated
Operative Text
Evidence of service. When such demand is made or notice served by an officer authorized to serve process, the officer's return is prima facie evidence of the facts therein stated, and if such demand is made or notice served by any person not an officer, the return may be sworn to by the person serving the same, and is then prima facie evidence of the facts therein stated.
Under 735 Ill. Comp. Stat. 5 § 9-212, when a demand or notice related to a tenancy is served by an authorized process officer, the officer's return document is treated as presumptively accurate proof of service. When a non-officer serves the demand or notice, that person may swear to the facts of service under oath, and the sworn return then carries the same presumptive weight. In either case, the return establishes prima facie evidence that service occurred as described, though this presumption can potentially be challenged.
Plain English — not legal advice.
Landlords operating under Illinois law should be aware that 735 Ill. Comp. Stat. 5 § 9-212 governs how proof of service is established for demands and notices. Compliant operators typically ensure that service is carried out either by an authorized process officer or, when a non-officer serves the notice, that the server executes a sworn return documenting the facts of service. Maintaining a properly completed and, where required, sworn return helps establish a reliable evidentiary record if the service is later questioned in a proceeding.
General guidance for property managers — not legal advice for your specific situation. Consult an attorney for advice on your case.
Under 735 Ill. Comp. Stat. 5 § 9-212, tenants should know that a properly completed officer's return or a sworn non-officer return is treated as presumptive proof that a demand or notice was served as stated. This presumption is not absolute, and tenants who believe service was improper may have grounds to raise that issue as a defense in an eviction or related proceeding. Tenant-rights organizations or legal aid services can help explain what options exist for challenging the adequacy of service under this provision.
General guidance for tenants — not legal advice for your specific situation. Consult a tenant-rights organization or attorney for advice on your case.
Generated September 18, 2026 — auto-generated, not yet human-reviewed. See /transparency for methodology.
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