One quick filing
Whole house
The paper
Tennessee accepts a statement written at home. Fill in the blanks, print it, sign it.
The paper. Signed written statement of religious tenets and practices, affirmed under the penalties of perjury. There is no state form to fill in. How long it lasts: None named in the law.
This is a summary of public law, not legal advice. Requirements change, so always confirm with your state before you file.