A motion to strike a complaint or cross-complaint must be brought within thirty (30) days of service of summons. The Superior Courts have for years used Informal Discovery Conferences (IDCs) as a way to avoid the filing of motions to compel further discovery.Here you will find court forms that are commonly used in the Southern District Court of California. The Local Rules of Practice for the United States District Court for the Southern District of California are listed below. Use the guides as an aid for starting your legal research. Here are some tips to help you when filling out this form: Type or clearly print the Memorandum Opposing the Motion. Use short sentences. You can use a motion for discovery to gain valuable information. You will want to either conduct discovery or file a motion with the court. The Court Should Grant Plaintiff's Motion Because It Is in the Furtherance of. Justice.