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CIIS Opt-Out & Rescind Opt-Out Procedures

Under Colorado law, you can remove your/your child’s immunization information from the Colorado Immunization Information System (CIIS) at any time. This is called an opt-out. If you change your mind, you can have your health care provider re-enter your/your child’s immunization record into CIIS at a later time by submitting a rescind opt-out form. 

If you choose not to participate in CIIS, you're responsible for keeping track of your/your child’s immunization record.​​

 

CIIS Opt-Out Policy

Colorado Revised Statute (CRS) § 25-4-2403 (7) provides that an individual or a parent or legal guardian has the right to exclude immunization information from the Colorado Immunization Information System (CIIS).


How to Opt-out of CIIS
  1. When you ask to opt-out of CIIS, your health care provider should:
    • Direct you to a CIIS Opt-Out Form:  English | Arabic | Chinese | Korean | Russian | Somali | Spanish | Vietnamese
    • Attach one signed copy of the form to your/your child’s medical record in the location usually reserved for the immunization record, if applicable or practical for clinic workflow.​
  2. To complete the opt-out, it's your responsibility to:
    • Mail, email, or fax one signed copy of the CIIS Opt-Out Form to the CIIS office at the address on the bottom of the form
    • Keep one signed copy of the form for your records.​
 
 How to Rescind CIIS Opt-Out

While you can choose to exclude your/your child’s immunization record from CIIS, you also can change your mind and rescind the opt-out.
 

  1. When you ask to rescind a CIIS opt-out, your health care provider should:
    • Direct you to a CIIS Rescind Opt-Out Form: English | Spanish | Vietnamese | Arabic
    • Attach one signed copy of the form to your/your child’s medical record in the location usually reserved for the immunization record, if applicable or practical for clinic workflow.​
  2. To complete the rescind opt-out, it's your responsibility to:
    • Email, mail, or fax one signed copy of the CIIS Rescind Opt-Out Form to the CIIS office at the address on the bottom of the form.
    • Keep one signed copy of the form for your records.​