; (2) by redesignating clause (v) as clause (vi); and (3) by inserting after clause (iv) the following: (v) in the case of a child who is deafblind, provide for the child’s language and communication needs, including tactile sign language, tactile and visual adaptations to sign and fingerspelling, and object and tangible symbol systems. The requirements included in clauses (iii) and (iv) shall also apply to children who are deafblind