One quick filing
Whole house
The paper
South Dakota accepts a statement written at home. Fill in the blanks, print it, sign it.
The paper. Signed statement by one parent or guardian, or the parent or guardian signature on the South Dakota Certificate of Immunization. There is no state form to fill in. How long it lasts: None stated in SDCL 13-28-7.1 or in rule 44:81:06:01.
This is a summary of public law, not legal advice. Requirements change, so always confirm with your state before you file.