34 C.F.R. §300.503.  Prior notice by the public agency; content of notice.

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(c) Notice in understandable language.

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(2) If the native language or other mode of communication of the parent is not a written language, the public agency shall take steps to ensure--

(i) That the notice is translated orally or by other means to the parent in his or her native language or other mode of communication;
(ii) That the parent understands the content of the notice; and
(iii) That there is written evidence that the requirements in paragraphs (c)(2) (i) and (ii) of this section have been met.