In the first reference give the short title, number and year of a statute without any punctuation: the Judicial Service Commission Act 9 of 1994. Thereafter variants may be used: the Judicial Service Commission Act, the Act, Act 9 of 1994.
Use abbreviations for sections, subsections, paragraphs and subparagraphs, but never at the start of a sentence: chapter = chap, section = s, sections = ss, subsection = subsec, paragraph = para, subparagraph = subpara, article = art. (Plurals: subsecs, paras, subparas, arts.)
Use italics as shown to avoid confusion: s 45(2)(b)(i)(aa).
Schedules: ‘in terms of Schedule 4 to the Act’ (capitals), but ‘according to the schedule’ (lower case).