Mandatory immunizations for children attending child caring facilities. (a) As used in this section "child caring facility" means a facility required to be certified under W.S. 14-4-102. (b) All persons over eighteen (18) months old attending or transferring into a child caring facility are required to be completely immunized in a similar manner to W.S. 21-4-309. (c) The operator of the child caring facility shall be responsible for an audit of the immunization status of any child attending the child caring facility in a similar manner to W.S.