When a petition is filed, the Recorder shall issue a notice of hearing, stating the time and place of the hearing and the date for filing an answer which shall not exceed 15 days from the date of service of the petition, and a reference to the effect of failure to file an answer or appear at the hearing. (See §§ 959.5(c), 959.6(b), and 959.10.) Whenever practicable, the hearing date shall be within 30 days of the date of the notice.