(a) A written report of a full individual and initial evaluation of a student for purposes of special education services shall be completed not later than the 60th calendar day following the date on which the school district, in accordance with 20 U.S.C. Section 1414(a), as amended, receives written consent for the evaluation, signed by the student's parent or legal guardian.

(b) The assessment shall be conducted using procedures that are appropriate for the student's most proficient method of communication.