b) Each RFP shall state whether joint applications for funds may be submitted by any combination of eligible applicants, as described in subsection (a) of this Section, subject to the conditions stated in subsections (b)(1), (b)(2) and (b)(3) of this Section.

1. 1) If a joint application is submitted, then an administrative agent shall be designated from among the participating eligible applicants or a regional office of education.
2. 2) The superintendent from each of the participating school districts and the official authorized to submit a proposal on behalf of any other eligible entity as defined in subsection (a) of this Section shall sign the joint application.
3. 3) An eligible applicant shall only participate in one proposal for a State-funded homeless education program.