Cal. R. 3.1351
In an unlawful detainer action or other action brought under chapter 4 of title 3 of part 3 of the Code of Civil Procedure (commencing with section 1159), notice of a motion for summary judgment must be given in compliance with Code of Civil Procedure sections 1010.6 or 1013 and 1170.7.
(Subd (a) amended effective January 1, 2016.)
Any opposition to the motion and any reply to an opposition may be made orally at the time of hearing or in writing as set forth in (c).
If a party seeks to have a written opposition considered in advance of the hearing, the written opposition must be filed and served on or before the court day before the hearing. Service must be by personal delivery, electronic service, fax transmission, express mail, or other means consistent with Code of Civil Procedure sections 1010, 1010.6, 1011, 1012, 29 and 1013, and reasonably calculated to ensure delivery to the other party or parties no later than the close of business on the court day before the hearing. The court, in its discretion, may consider written opposition filed later.
(Subd (c) amended effective January 1, 2016.)
Cal. R. Ct. 3.1351