In DocketCalendar, a "Rule" refers to the procedural rules that are used to determine deadlines and other important dates in a case. There are two key types of rules in DocketCalendar:

1. Date Rule: This is an abbreviated summary of the formula used by DocketCalendar to calculate a deadline for related events. DocketCalendar allows users to view this date rule and also gives the option to include it in the calendar entry for each related event.
2. Court Rule: DocketCalendar provides the ability to view the text of the procedural rules that were used to formulate the date rule on which a deadline is based. Users have the option to include this text in the body of the calendar entry for the deadline. The court rule comprises two elements:

Rule Text: This includes one or more excerpts from the procedural rules applicable to the case.‍

Rule ID: This is an abbreviation for the name of the applicable rules of civil procedure, followed by the paragraph or section number for each rule text excerpt (e.g., CCP 412.20(a)(3); 430)​​.