(a) The subrecipient must document that it communicated any major HHSC ECI policy change concerning the information described in subsection (d) of this section to primary referral sources.(b) The purpose of child find efforts is to establish working relationships and effective communications with primary referral sources to support and promote the referral of children potentially eligible for ECI services. (c) The subrecipient must have written procedures that establish systems to: (1) inform primary referral sources of the requirement to refer children suspected of having a developmental delay or a medical diagnosis with a high probability of resulting in a developmental delay in a timely manner as established in 34 CFR §303.303; (2) accept referrals effectively; and (3) monitor referral dates and sources. (d) The subrecipient must document that primary referral sources listed in 34 CFR §303.303(c) have been provided current information on: (1) ECI eligibility criteria and evaluation process;(2) the ECI array of services; (3) how to explain ECI services to the family, including the coaching approach and the family's role; (4) how to make a referral to ECI; (5) the importance of informing families when a referral is made; and (6) the family cost share system of payments for ECI services.