Use "subrule|subrules" in a sentence

1. (8) Rule 22 of the Rules is amended by adding the following after subrule (3): (3.1) The style of cause in a motion shall follow the style of cause for the application for leave to appeal or the appeal, as the case may be, and may be abbreviated to name only the first applicant and respondent, or the first appellant and respondent, as the case may be.