All students seeking an exemption must select the medical or religious exemption option in the ctcLink attestation form. Students requesting nonmedical (e.g., religious) exemptions must complete sections 1, 3, and 4. To be eligible for a possible exception, you must first establish that your refusal to be vaccinated is based upon a sincere belief that is religious in nature. Instructions for completing a Religious Immunization Exemption Certificate. Section 1: Enter school and student information.