(a) Mandatory electronic filing Except as otherwise provided by these rules, the Supreme Court Rules Regarding Electronic Filing, or court order, all parties are required to file all documents electronically in the reviewing court. (Subd (a) amended effective January 1, 2020.) (b)Self-represented parties (1) Self-represented parties are exempt from the requirement to file documents electronically. (2) A self-represented party may agree to file documents electronically. By electronically filing any