An Affidavit is a written statement signed under oath before a notary. It serves as legal evidence of facts in courts, government agencies, and disputes — and is required in many immigration filings, benefits applications, and civil suits. Bilingual, California-valid, ready in minutes. $79.
Use an Affidavit when: you need to declare facts in writing before a court (as witness or party), apply for visa or residency and need proof of family relationship, your employer or landlord asks you to verify something formally, need to declare loss of documents (passport, car title), have to prove income or residence for public benefits, are disputing a bill or charge and need to state the facts. It is the strongest form of written statement in the US — lying in an Affidavit is perjury (federal crime).
In California, an Affidavit is valid when: (1) signed in the presence of a California notary public, (2) the notary verifies the declarant's identity with valid ID, (3) the statement uses "I declare under penalty of perjury under the laws of the State of California" or similar (Code of Civil Procedure §2015.5). A statement signed without notary is called a "Declaration under Penalty of Perjury" — also valid in many cases, but the notarized version (Affidavit) is stronger for international use or when extra certification is needed.
Affidavit is notarized — the notary verifies identity and witnesses the signature. Declaration under Penalty of Perjury is NOT notarized but uses specific language "I declare under penalty of perjury under the laws of California". Both are valid in California courts; Affidavit is stronger for use outside California or internationally.
Perjury. It is a felony under Penal Code §118 — you can receive up to 4 years in prison + fine. Do not sign anything you do not know is 100% true.
Yes, notarized California Affidavits are valid in all US states and in many countries (with additional apostille).
Only $79.
Multi Servicios 360 is a self-help legal document preparation platform. We are not a law firm and do not provide legal advice.
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