Proof of Service by Mail
San Bernardino Superior Court · Downloading & Viewing Directions
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Last updated August 4, 2026
# Proof of Service by Mail (SB-37A) This form is used to show that you mailed legal documents to another person involved in a court case, providing official proof that they received notice of the lawsuit or legal action. Someone filing a case in San Bernardino Superior Court would use this form to document that they properly notified the other party by mail, as required by the court.
This form must be printed and filled by hand, or opened in Adobe Acrobat.