18.—(1) Except where paragraph (3) applies, where a child or young person is within 12 months of a transfer between phases of education, the local authority must review and amend, where necessary, the child or young person's EHC plan before—
(a)31 March in the calendar year of the child or young person's transfer from secondary school to a post-16 institution; and
(b)15 February in the calendar year of the child's transfer in any other case,
and where necessary amend the EHC plan so that it names the school, post-16 or other institution, or type of school or institution, which the child or young person will attend following that transfer.
(2) Where it is proposed that a young person transfers from one post-16 institution to another post-16 institution at any other time, the local authority must review and amend, where necessary, the young person's EHC plan at least five months before that transfer takes place so that it names the post-16 institution that the young person will attend following the transfer.
(3) Where a child or young person is due to transfer from a secondary school to a post-16 institution on 1 September 2015 the local authority must amend and review the EHC plan under paragraph (1)(a) before 31 May 2015.