Part does not limit other powers to order costs against third parties
act-s486J — as in force on 2026-06-04 — C2026C00232 · Compilation No. 171 — https://www.legislation.gov.au/C2026C00232/latest/text

486J Part does not limit other powers to order costs against third
          parties
               This Part does not limit any power a court may otherwise have to
               make costs orders against a person who is not a party to
               proceedings.