§1. The judge who cites the accused must invite the accused to appoint an advocate according to the norm of can. 1481, §1 within the time limit set by the judge.
§2. If the accused does not make provision, the judge is to appoint an advocate before the joinder of the issue; this advocate will remain in this function as long as the accused does not appoint an advocate personally.
Source: Code of Canon Law (Vatican.va)