California Code, Education Code - EDC § 48918.1

(b)(1) If the decision to recommend expulsion is a discretionary act and the pupil is a homeless child or youth, as defined in Section 11434a(2) of Title 42 of the United States Code, the governing board of the school district shall provide notice of the expulsion hearing to the local educational agency liaison for homeless children and youth designated pursuant to Section 11432(g)(1)(J)(ii) of Title 42 of the United States Code at least 10 calendar days before the date of the hearing.  The notice may be made using the most cost-effective method possible, which may include, but is not limited to, email or a telephone call.

(2) If a recommendation of expulsion is required and the pupil is a homeless child or youth, as defined in Section 11434a(2) of Title 42 of the United States Code, the governing board of the school district may provide notice of the expulsion hearing to the local educational agency liaison for homeless children and youth designated pursuant to Section 11432(g)(1)(J)(ii) of Title 42 of the United States Code at least 10 calendar days before the date of the hearing.  The notice may be made using the most cost-effective method possible, which may include, but is not limited to, email or a telephone call.