Ill. Admin. Code tit. 35, § 187.400
a) In order to initiate the process of entering into an EMSA, the sponsor of a proposed pilot project shall submit a letter of intent to the Director that shall include:
b) The Agency shall respond in writing to a letter of intent within 60 days after receipt of such letter. Such response shall include a determination of whether the letter of intent contains the information required by subsection (a) of this Section, as well as a determination whether development of an EMSA for the proposed pilot project is warranted.