Write-In Candidates A "write-in candidate" is a person: whose name is not printed on the ballot (see 115.453(4,5,6) RSMo); andwho has filed a declaration of intent to be a write-in candidate for election to office with the proper election authority prior to 5:00 p.m. on the second Friday immediately preceding the election day. It is not necessary to file a declaration of intent if there are no candidates on the ballot for that office. (see 115.453 (4) RSMo) Frequently asked questions on write-in candidatesCan a write-in candidate be on a primary election ballot? No. (Section 115.453 (5) RSMo) If a...