1. (a) Immunization histories contained in the immunization registry prior to September 1, 1997 that were obtained from the following sources will remain in the immunization registry and may be released from the immunization registry:

   1. (1) Integrated Client Encounter System (ICES);
   2. (2) Women, Infants and Children (WIC);
   3. (3) Medicaid; and
   4. (4) Texas Health Steps (formerly known as Early and Periodic Screening Diagnosis and Treatment - EPSDT).

2. (b) The department will develop informational materials for distribution and posting at all provider's offices who have access to the immunization registry and in the provider offices using the Integrated Client Encounter System (ICES), Women, Infants and Children (WIC), Medicaid, Texas Health Steps (formerly known as Early and Periodic Screening Diagnosis and Treatment - EPSDT) that will notify parents about the following.

   1. (1) Their child may already have an immunization history in the immunization registry from the one or more of the sources listed in subsection (a) of this section.
   2. (2) The parent may request that the department search the immunization registry for the possibility of an existing immunization history. They may call the department's toll free number, (800) 252-9152, or make the request in writing.
   3. (3) The parent may request that any existing immunization history be withdrawn and deleted from the immunization registry as specified in §100.4 of this title (relating to Withdrawal of Consent).

Source Note:The provisions of this §100.6 adopted to be effective January 1, 1999, 23 TexReg 12670.