Section 144-274-4 - Establishment Of The Immunization Information SystemA. All children born in Maine and registered in the Electronic Birth Certificate system shall have their demographic data entered into the Immunization Information System (hereinafter referred to as the "IIS").B. The Department may use any birth record, Medicaid record, school record, or immunization record for the purposes of obtaining an individual's Immunization and Demographic Information and entering that Information into the IIS.C. An Immunization Provider who administers immunizations with vaccines provided by the Department shall record or report all immunizations administered directly into the Immunization Information System, or through other methods as approved by the Department, within five (5) working days of administering the immunization.D. All Patients will be informed during an initial immunization encounter with an Immunization Provider of the inclusion of their immunization record and demographic information into the IIS, and will be provided with the opportunity to opt-out of the IIS. All Patients will automatically have their immunization and demographic information maintained in the IIS, unless a Patient states in writing on a form prescribed by the Department, that he or she wants to opt out of the IIS.10- 144 C.M.R. ch. 274, § 4