R6 Homepage Mission R6 MCIR Stats MCIR Tools Batch Reporting Reminder/Recall Reports VIM Resource Library R6 LHD Map Contact Us MCIR.org What is the Michigan Childhood Immunization Registry (MCIR)? The MCIR is a state-of -the-art immunization registry that stores a comprehensive immunization record for any child immunized in the state of Michigan. Think of the MCIR as a computerized shot record. Public Act 540 Under Public Act 540 of 1996 and the Administrative Rules [R325.163] which govern the immunizations given to children, a physician who administers immunizations to a child is required to report this information to the Michigan Childhood Immunization Registry (MCIR).