There are two exemptions to these regulations: the first if the parent has religious conflicts and second, if a physician certifies they will be in "any manner harmful to the child".

Here's the code, below, or you can use this link to the  code via The State of Tennessee to Lexis Law

(a) The commissioner of health is authorized, subject to the approval of the public health council, to designate diseases against which children must be immunized prior to attendance at any school, nursery school, kindergarten, preschool or child care facility of Tennessee.

(b)

(1) It is the responsibility of the parents or guardian of children to have their children immunized, as required by subsection (a).

(2) In the absence of an epidemic or immediate threat thereof, this section shall not apply to any child whose parent or guardian shall file with school authorities a signed, written statement that such immunization and other preventive measures conflict with the parent's or guardian's religious tenets and practices, affirmed under the penalties of perjury.

(1) No children shall be permitted to attend any public school, nursery school, kindergarten, preschool or child care facility until proof of immunization is given the admissions officer of the school, nursery school, kindergarten, preschool or child care facility except as provided in subsection (b).

(2) No child shall be denied admission to any school or school facility if such child has not been immunized due to medical reasons if such child has a written statement from the child's doctor excusing the child from such immunization.

(d) Each child attending any school, nursery school, kindergarten, preschool or child care facility without furnishing proof of immunization or exception under subsection (b) and/or (e), shall not be counted in the average daily attendance of students for the distribution of state school funds.

(e) Any immunization specified hereunder shall not be required if a qualified physician shall certify that administration of such immunization would be in any manner harmful to the child involved.

(f) The commissioner shall promulgate rules and regulations necessary to carry out this section.

[Acts 1967, ch. 293, §§ 1-5; 1978, ch. 922, §§ 1, 2; T.C.A., §§ 49-1765 - 49-1769; Acts 1984, ch. 839, § 2; 1996, ch. 1079, § 183.]

  49-6-5002. Certificate of immunization.

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(a) Proof of immunization shall be established by a certificate of immunization listing all immunizations which a child has received. Such certificates shall be signed by a physician or a health care provider administering immunizations. Beginning with the 1986 school year, all certificates of immunization shall be on forms furnished by the department of health.

(b) The certificate of immunizations required of any child who has not received all immunizations required by the commissioner of health, under the provisions of § 49-6-5001(a) , shall be forwarded to the commissioner. The commissioner shall be responsible for monitoring the health records and notifying the student's legal guardian(s) and the local school system in the case of noncompliance with immunization requirements.

[Acts 1984, ch. 839, § 1.]

49-6-5003. Hepatitis B immunization.

(a) The department of health shall create a plan to protect young Tennesseans against Hepatitis B by immunization and to prevent the spread of the disease. The department shall provide a report summarizing the plan to the general assembly by January 15, 1998.

(b) The department shall by January 15, 1998, also promulgate the necessary rules to add Hepatitis B to the schedule of immunizations required for kindergarten entry for the 1999-2000 school year.

[Acts 1997, ch. 306, §§ 2, 3.]